Unexploded WW2 device was found on Southtown Road, Great Yarmouth at 11:30 GMT on Tuesday
The device is surrounded by a bank of large sand bags as bomb disposal experts secure the site
Norfolk Police says it is in a hazardous location close to two main gas pipes
Hundreds of homes have been evacuated, with some residents spending a second night in a rest centre
Work to defuse the bomb could take many hours
We're bringing our live updates to an end today, with Norfolk Police telling us the situation could still take a number of hours to resolve.
We'll continue to keep across the latest from Great Yarmouth, however, and publish any further updates tonight on our main story.
Andrew Turner
BBC Radio Norfolk
Praise has been given by Supt Nathan Clark to anyone in Great Yarmouth affected by the bomb.
"All I can do is thank the public, they've been ever so patient with us.
"I know it's caused disruption to the 230 households who've been asked to leave for the whole of this period. I know it's been unsettling.
"Police, council, health will all work to ensure that you're all given as much support as you need."
The residents at Avery Lodge care home have yet to evacuate but have been told they will have to leave in a few hours' time.
"Our council and our health partners have been looking and assessing vulnerability right from the offset of this, like we do in any evacuation, and I'm pretty sure they'll be putting in all the care and support that people need," Mr Clark adds.
He says he hopes everything will go to plan.
"These things can go wrong, they can go horribly wrong, so our hope is that we do come to a safe conclusion and we should all be crossing our fingers for that."
Andrew Turner
BBC Radio Norfolk
Supt Nathan Clark has just told me that work to cut the bomb has begun.
The robot was being prepared and "we are literally just waiting for that work to start", he says.
"There's a real element of risk", he adds, but anyone involved in the detonation is operating remotely.
The bad news is the process will take a while and "I don't think we're anywhere near resolving this", he says.
"When they've separated the main device I imagine there'll be a controlled detonation on site, but we just couldn't give a time for that at the moment."
Image source, Mariam Issimdar/BBCSupt Clark says the bomb could still be taken out to sea or to a military range for destruction.
Mariam Issimdar
BBC News
About a dozen journalists are here at the quayside waiting to hear if the Army bomb experts have been successful at cutting a fuse from the device.
According to Supt Nathan Clark, a controlled detonation of the fuse will then take place.
We will only hear an explosion if the operation to cut the fuse is unsuccessful.
This is highly unlikely because those carrying out the operation are just that - experts at bomb disposal and safe detonation.
Image source, Mariam Issimdar/BBCAndrew Turner
BBC Radio Norfolk
The bomb will be cut twice, Supt Nathan Clark told me.
A robot will be used to cut the fuse and trigger.
He expected a waiting game of between "six to 12 hours" before they know if it will be safe for people to return to their homes.
"It's quite likely we'll be here for another day," he added.
"When we do this we need to do this safely".
Image source, Andrew Turner/BBCAndrew Turner
BBC Radio Norfolk
I have been speaking to Supt Nathan Clark from Norfolk Police.
He said the bomb teams and scientists had "got the go ahead and are now starting to prepare the process of cutting through the device".
"They've done their calculations and they believe they can process without causing that damage."
He told they had to take their time.
Image source, Andrew Turner/BBC"They had to do that and it they hadn't taken their time and gone ahead without knowing we all would have said that was reckless.
"I think the military have been rightly cautious in their approach making sure that they can do exactly what they intend to do."
Mariam Issimdar
BBC News
I’m on a piece of quayside just south of Great Yarmouth’s old fish market. On either side of the river nearby there are tanks which service the offshore energy industry - and beyond that the construction site of the Third River Crossing.
If you look closely at the photograph you can see what looks like hay bales on the left of the cranes.
That's the detonation site where the unexploded device is, surrounded by giant sand bags.
We’ve been told it will be detonated at some point today.
Work to carry out a controlled explosion on the World War Two device is "due to recommence shortly", Norfolk Police said.
The force said: "Complications halted progress overnight".
Assistant Chief Constable Nick Davison said the Explosive Ordnance Disposal (EOD) team would "continue with their plan to make the bomb safe".
"While highly unlikely that the worst happens, contingencies are in place with appropriate resources and experts on standby during the next phase of the operation," he said.
Andrew Turner
BBC Radio Norfolk
Yarmouth Stores, which makes fashion and workwear, has posted a timely picture on social media of when an unexploded World War Two bomb was found right outside the factory in 1944.
"Not for the first time in our history however… photos exist in our archive of a bomb that dropped literally on our doorstep overnight," the Instagram post reads.
The manager of the 125-year-old company said that this time "luckily we are on the corner of where the evacuation is".
"At the moment we're still standing and hanging in there," she said.
She said "one or two" of the staff had been disrupted by the exclusion zone, but added: "Thankfully this time we are working well and we are still going."
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Mariam Issimdar
BBC News
Lisa, who lives in Common Road, told me she left her home for a couple of hours on Tuesday before returning home, thinking that “it would be all over" soon.
Image source, Mariam Issimdar/BBCShe wanted to return because she has a son with autism who requires routine.
She said she will leave again if she has to, but is hoping "I’m far enough away".
Mariam Issimdar
BBC News
A woman who is refusing to leave her Southtown Road home, where she has lived for five years, says she will only leave if she is forced to.
Image source, Mariam Issimdar/BBC"I don't want to leave my house," the woman, who wished to only be known as Lesley, said, "[because] I've got two big dogs and I've not got anywhere else to go.
"I feel very safe because [the bomb] been there for over 80 years and it's been dragged out of the river and still not gone off.
"I do feel that I don't need to leave, I'm not in the 200m zone and I worry about my house and my pets.
"I just feel more secure in my house and I don't want to be in St George's where they are being fed sandwiches."
Mariam Issimdar
BBC News
Image source, Mariam Issimdar/BBCIt's lunchtime and it's rather quiet at the top of Southtown Road.
A couple of police officers at the cordon are stopping people and asking for ID before allowing residents and friends into the area.
A few delivery drivers have had to turn back after enquiring when the road is likely to reopen.
I spoke to one man, who wished to remain anonymous, who said he was dropping off shopping to an elderly friend who was too frail to leave her home.
Meanwhile, I was told I couldn't enter the street for my own safety.
What ‘s odd is the quietness.
This is an industrial area, ships, docks, development with all the noises of those industries.
I’m struggling to hear anything.
Mariam Issimdar
BBC News
Valerie Nascimento, 74, who lives just outside the exclusion zone, says she is not concerned at all about the bomb down the road.
"I don't think we're near enough - but I'd better touch a bit of wood," she says.
"I hope they get it sorted because I want to do some shopping and I don't particularly want to walk."
Image source, Mariam Issimdar/BBCShe adds that she had trouble trying to get home on the bus on Tuesday, due to the police cordons.
"The traffic was atrocious, but there you go - you have to put up with these things."
Alex Dunlop
BBC Look East
Belinda Crick runs Simpson's Garage - a car and motorhome dealership inside the 200m inner exclusion zone.
She says all 42 of her staff have been sent home.
"The premises are closed and the gates are shut," she says.
The 58-year-old says it has had a "massive impact" on the business.
Image source, Jamie Niblock/BBCMs Crick told me: "It's well and truly disruptive. We've tried to get into the premises to cancel appointments.
"It's the unknown - the information is changing hour by hour.
"We've got to go with what [the police] tell us. We can't risk people's lives, both our staff and our customers, but it is frustrating."
Mariam Issimdar
BBC News
Christopher Huggins, whose home is in the exclusion zone, has arrived at the St George's rest centre.
He was told to leave his home by police yesterday and the 40-year-old spent the night in a hotel.
Although he says he was not told to come to the rest centre, he hopes it will either be able to host him or find him another place to stay.
With him he has just a bag of clothes and toiletries, as he is unable to return home.
Andrew Turner
BBC Radio Norfolk
Earlier we heard from the manager and owner of the Avery Lodge care home, Sherylanne Hodgins, 59, who said she was "very concerned" at the prospect of moving residents from the home which is within the exclusion zone.
Image source, Emily Slade/BBCShe said: "I just don't want to move before we have to, simply for the sake of the service users, they need to be safe, they need to be comfortable and they need to be reassured that the staff are there to support them."
Ms Hodgins added that while there was a "massive extra cost" to keeping staff on standby, it was "nothing compared to the needs and welfare of residents".
"I'd rather make sure that those who live here and are loved by us feel safe and happy, than worry about the cost," she said.
"We're keeping all the families updated and we have had 100% support saying they totally agree with us that staying here up to this point is absolutely necessary.
"[But] if it becomes imperative we move, then we will do it, that is not a question."
Mariam Issimdar
BBC News
William Abbott, 56, and his wife Lorraine are two of 29 people who stayed at St George's rest centre last night.
Image source, Mariam Issimdar/BBCMr Abbott, who lives off Southtown Rd - "one road down from where the bomb is" - said it was his second night away and "now they're talking about even longer".
They are wearing the clothes they left the house in and have no others, he said.
"They have been quite generous and there is a lot of staff here, it's just there's only one toilet - one gents, one ladies and a disabled toilet - and that's it, that's all the facilities there are," he added.
"Fortunately there's only a few of us in there at the minute.
"They've been very generous with the food, we got hot food last night... the big thing is the [lack of] washing facilities."
He added that he thought the council should have known about the bomb before.
"They've been building this new bridge there... they did surveys before hand, they must have known it was there, as far as I'm concerned, someone's to blame higher up the chain," he said.
Norfolk Police has issued more details about the decision to delay a controlled explosion on the World War Two device in Bollard Way.
The force said it was in a hazardous location with two main gas pipes - a low pressure pipe and a medium pressure supply running along Southtown Road.
A team of scientific experts from the Defence Science and Technical Laboratory – which advises the British Army on blast science - are putting together a number of options so emergency services, partner agencies, gas engineers, bomb specialists and environmental experts can consider the next steps.
Norfolk Constabulary's Assistant Chief Constable, Nick Davison, said it was a "complicated and unique situation".
"It became clear over night that the mainline gas pipes are in proximity to the bomb and therefore pose an additional, and potentially dangerous risk should the bomb detonate as EOD attempts to disarm it and make it safe," he said.
"This serious complication must be properly considered and evaluated before further direct work can be undertaken on the bomb.
"This is painstaking work and is causing huge disruption to people but it’s critical that we follow expert advice and do not take unnecessary risks because this device is unstable and should it detonate, poses a significant to life and property."
He also thanked the community for its "understanding and resilience".
"We know this is disrupting your life and all agencies are working very hard to resolve this as soon as we can but with safety and preservation of life at the heart of what we’re doing," he said.
Great Yarmouth Borough Council has said that - on police advice - refuse in bins will not be collected in the exclusion zones at the moment.
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The authority said there will also be no collections in part of Marine Parade (near the tower), Apsley Road, East St Peter’s Road, St George’s Road, Kent Square and Standard Road.
A police investigation is under way in this area following a fatal stabbing in the town on Wednesday afternoon.
"We apologise for the inconvenience and collections will resume as quickly as possible once restrictions have been lifted," the council said.
Image source, GoogleThe 14 residents in the Avery Lodge care home, which is just within the 400m exclusion zone, have so far not been moved as many of them are vulnerable.
Manager and owner, Sherylanne Hodgins, said she is "very concerned" at the prospect of moving them.
"It is almost a logistical nightmare," she said.
"Everything is planned but it still doesn't mean the process of moving elderly vulnerable people is easy - transitioning them from the care facility, into the transport, to a safe rescue centre which may only have the bare minimum of things we actually need to keep these people comfortable."
She added that they had originally been told it would be an "early doors move" this morning and had staff on standby.
"Now we're being told it maybe later today or even potentially tomorrow because there are some greater complications," she said.