Tessa Wong
Reporting from Singapore Changi Airport

Officials at Changi Airport say the final uninjured passengers from the SQ321 flight have now disembarked.

They declined to confirm how many people arrived on the flight from Bangkok, but said further information would be released in a press release at a later date

Meanwhile, airport workers have already started removing the metal barriers which were used to chart a secure path through the terminal for the passengers.

BBC teams at Singapore's Changi Airport have seen families greeting their loved ones as they arrived home early on Tuesday.

The flight from Bangkok landed at around 05:00 local time (22:00) at the island's main airport.

Tessa Wong
Reporting from Singapore Changi Airport

Many of the passengers arriving in Singapore appear tired and drained, from what has been a very long day and traumatic experience.

Some though appear happy, relieved to meet their family members and loved ones waiting to receive them.

Tessa Wong
Reporting from Singapore Changi Airport

Here at Singapore's Changi Airport, the plane from Bangkok carrying the uninjured SQ321 passengers has landed in the last few minutes and there's been a last minute flurry of activity.

More airport and Singapore Airlines staff have arrived, the barricaded area has been expanded, and two coaches are on standby to ferry the passengers and their relatives away from the airport.

We're trying to confirm with Singapore Airlines the exact number of passengers on the plane, but it is likely to be scores of them.

We'll bring you more updates when we get them.

Image source, Social media

A tribute to Geoff Kitchen has been shared by a local theatre group he helped to run in South Gloucestershire.

A statement on the Facebook page of the Thornbury Musical Theatre Group says: "It is with a heavy heart that we learn of the devastating news of the passing of our esteemed colleague and friend Geoff Kitchen in the recent Singapore Air Incident.

"Geoff was always a gentleman with the utmost honesty and integrity and always did what was right for the group."

It went on to say he had been involved with the group in a number of roles over a 35 year period.

"Our thoughts and prayers go out to his wife and the family at this difficult time, and we ask that you respect their privacy", the statement continues.

The 73-year-old British man who died on board the Singapore Airlines flight hit by severe turbulence has been named as Geoff Kitchen.

He died of a suspected heart attack, according to authorities at Bangkok airport.

We've just had a new statement through from the UK Foreign Office about the 73-year-old British man who died on board flight SQ321.

A spokesperson for the department says they are "supporting" his family and "are in contact with the local authorities".

He has not been officially identified by authorities in the UK or Asia.

Let's take a look back at some pictures we had earlier from inside Singapore Airlines flight SQ321, which show the extent of the impact caused by the turbulence on board the flight.

Emergency oxygen masks are seen hanging from the ceiling, as monitors and parts of the plane's interior were torn off.

Image source, Reuters

Image source, Reuters

Image source, Reuters

Singapore's foreign affairs ministry issued a statement earlier in which it said it was working with Singapore Airlines and the relevant authorities to help passengers who were on today's flight.

"The Singapore Embassy in Bangkok is onsite at Suvarnabhumi airport and the hospital to render the necessary consular assistance to affected Singaporeans and their next-of-kin," it said.

The ministry extends its condolences to the family of the passenger who died and wishes the injured passengers a quick and full recovery.

We're hearing more now about the passengers who had been stranded in Thailand after flight SQ321 made an emergency landing.

A plane carrying those who were on board but did not sustain serious injuries has now left Bangkok, airport officials there have confirmed.

They are being flown to Singapore where relatives and airline staff are waiting to receive them in a dedicated area at the airport.

The flight is expected to land in a little over two hours.

Tessa Wong
Reporting from Singapore Changi Airport

Here at Changi Airport in Singapore, a large group of Singapore Airlines staff have gathered in the arrivals area, where they're being briefed.

We're all waiting for the plane carrying people who were on board the SQ321 flight. This plane is travelling from Bangkok with some passengers who are unhurt and want to continue to Singapore.

They've also set up metal barriers across half the length of the terminal - it appears they have laid out a secure route for the passengers to head to the area upstairs where their relatives are waiting.

Were you a passenger on board the flight?

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Tim Atkinson, an aviation consultant and a former aircraft accident investigator, says effects of turbulence typically depend on the size of the aircraft, and the plane involved in today's incident was very large.

“Small aircraft are more susceptible to severe turbulence and encounters resulting in injuries or indeed death,” he says, adding that what the Boeing 777-300ER had encountered was “very significant”.

He tells the BBC that turbulence is becoming more common and severe because of climate change.

When asked what passengers should do when they encounter turbulence, he says such events are rare and there are many layers of defence against them.

“If you're in your seat, keep your seatbelt fastened,” he advises.

Frequent flyers will be familiar with the sudden jolting that can happen when an aircraft gets into turbulence. It can move the plane and cause sudden changes in height.

Most turbulence occurs in cloud where you’ve got up and downdrafts of wind, says BBC Weather's Simon King, a former RAF officer.

Much of that will be fairly mild - but when you get big clouds, such as the cumulonimbus thunderstorm cloud, you can get moderate or even severe turbulence.

There’s another type of turbulence called “clear air" turbulence - and that’s where you can’t see it, as it’s cloudless. This is much more problematic as it's very difficult to detect.

This type of turbulence happens around the jet stream, which is a really fast flowing river of air that's typically found at 40,000-60,000ft (12,192-18,288 metres) up, aviation expert and qualified commercial pilot Guy Gratton says.

• Read more here.

Image source, Getty Images

Singapore's Prime Minister Lawrence Wong says he is "saddened and shocked" by the flight incident and expresses his condolences to the family members and loved ones of the deceased.

"We are working closely with Thai authorities and doing everything we can to support the passengers and crew. We pray for their safe return and smooth recovery for those who are injured," the prime minister says in a Facebook post.

As we reported earlier, a 73-year-old British man died after the Singapore Airlines flight experienced severe turbulence. Dozens others on the flight were injured.

A few hours ago we mentioned that Singapore's government is deploying a team of investigators to Thailand - now we are hearing the US will also be sending a team of officials.

The US National Transportation Safety Board says it will be sending an accredited representative and four technical advisors to support the team from Singapore, Reuters news agency reports.

Tessa Wong
Reporting from Singapore Changi Airport

The media has been roaming freely in the arrivals area and mingling with passengers, but in the last few minutes airport officials have set up rows of metal barriers.

We've been told that this is in preparation for "passengers who need to pass through" to the main doors.

One official also told me, firmly, that the media "cannot disturb these passengers".

It's a clear indication that the flight carrying the SQ321 passengers will be landing soon, though officials won't confirm this.

Image source, .

If you're just joining our coverage of the Singapore Airlines incident, let us bring you up to date with everything we know so far:

• A 73-year-old British man died from a suspected heart attack, after his Singapore Airlines flight experienced severe turbulence
• The London to Singapore flight experienced a sudden drop as a meal service was under way and was forced to divert to Bangkok
• More than 30 people have been injured, while seven are in a critical condition. Singapore Airlines says 211 passengers and 18 crew were on board
• Passengers from several countries were on the flight, including those from the UK, Australia, New Zealand, Singapore and Malaysia

• Andrew Davies, who was on the plane, praised the cabin crew for being "stoic" as he described the "surreal" experience, with belongings being thrown around the cabin
• At Singapore's Changi Airport, the flight's intended destination, officials have set up a waiting area for relatives of passengers who are well enough to fly from Bangkok

More now from British passenger Jerry, who has been telling the BBC about his experience as severe turbulence hit his London to Singapore flight today.

“My daughter will be in [hospital] for a few days. My wife I’m not so sure. But it could have been a lot worse,” he says.

The family had been travelling to Australia for his son's wedding on Friday, but now they won't be able to make it, Jerry explains.

"If we continued with the itinerary that would mean five more flights," he says.

"We're not going to do that, we're going to go back.

"It's just unfortunate, [after] the bad experience my wife and my daughter had, and my own experience, we can't stomach another five flights."

You can watch Jerry speaking from Bangkok here:

British passenger Jerry, 68, who was on the flight with seven family members has been describing how the plane plunged mid-air. The 68-year-old from Reading was heading to his son’s wedding in Australia.

Speaking from a hospital in Bangkok, he described the experience as the worst day of his life.

“Things were going very smoothly at first. I had just been to the loo. Came back, sat down, a bit of turbulence and suddenly the plane plunged,” he tells the BBC. “It was so sudden, no warning at all.”

Jerry says both him and his wife ended up hitting their heads on the plane's ceiling and there was chaos in the cabin, adding that a lot of people were injured, including staff.

Once he arrived in Bangkok, a swarm of medical teams greeted the aircraft and took the patients with the worst injuries off first, he says.

Jerry went to the hospital as his grandson needed to have an assessment. Once at the hospital, he also found his daughter and her husband. He struggled to find his wife at first, but the pair were eventually reunited.