Video shows evacuationpublished at 22:09 British Summer Time 19 September 2017
This office was evacuated in Mexico City.
Mexico earthquake: Buildings evacuated
Summary
A huge earthquake has killed more than 200 people in central Mexico
Almost half of those killed died in the capital, Mexico City
A school in Mexico City's Coapa district collapsed, killing at least 30 people, mostly children
Hundreds of volunteers have joined emergency services in the search for survivors
The magnitude 7.1 quake had its epicentre in Puebla, south-east of the capital
Four thousand troops have been brought in to help
Video shows evacuationpublished at 22:09 British Summer Time 19 September 2017
Media caption, 'Really scared right now'published at 22:06 British Summer Time 19 September 2017
"People are really scared right now," dentist Claudia Meneses, who was in her clinic in Mexico City's Lindavista neighbourhood when the earthquake struck, told Reuters news agency.
"We're going to go to a building that fell to see if we can help."
Another woman, Rosaura Suarez, stood with a crowd on the street. She said: "We got out really fast, leaving everything as it was and just left."
Millions hit by power cutspublished at 22:03 British Summer Time 19 September 2017
At least 3.8 million customers have lost power because of the earthquake, Mexico's state-owned power company CFE tweets.
Anniversary of 1985 quakepublished at 22:03 British Summer Time 19 September 2017
James Cook
BBC's North America CorrespondentMexico City is one of the most densely packed places on Earth. More than 20 million people live in the metropolitan area and the huge tremor prompted panic when it struck around lunchtime.
There is little information from the epicentre of the quake which seismologists say was more than 120km (70 miles) to the south-east in Puebla province.
This is the anniversary of a devastating quake which killed thousands of people in Mexico City in 1985 and earlier in the day many residents had participated in an emergency drill. Now 19 September will be remembered for two disasters.
At least 49 reported killedpublished at 21:56 British Summer Time 19 September 2017
Just to recap on the number of fatalities so far. In total 49 people are reported dead - 42 in Morelos state, five in Mexico State and two in Puebla state.
President Enrique Peña Nieto has confirmed that 27 buildings have collapsed in Mexico City but there is no official word yet on any casualties in the city itself.
Woman pulled from rubblepublished at 21:56 British Summer Time 19 September 2017
Image source, AFPImage caption, This woman was pulled from the rubble of a collapsed building in Mexico City
More on Morelos casualtiespublished at 21:51 British Summer Time 19 September 2017
The deaths occurred in 11 different municipalities in the state, with 12 reported in Jojutla.
Morelos is located in central Mexico, south of the capital, Mexico City. The quake itself occurred in the state of Puebla.
Mexico City: 'At least 20 buildings damaged'published at 21:50 British Summer Time 19 September 2017
Image source, ReutersThe mayor of Mexico City says so far no deaths have been reported there but at least 20 buildings were damaged.
Footage on national TV shows a high-rise building with a middle floor collapsed. Other images show part of a government building falling into the street.
President Trump tweets supportpublished at 21:48 British Summer Time 19 September 2017
Quake kills 42 in one state - governorpublished at 21:40 British Summer Time 19 September 2017
BreakingThe quake has killed at least 42 people in the state of Morelos, Governor Graco Ramirez announces in a tweet.
"First preliminary report of people killed," he writes. "My solidarity with the families, we're taking care of the families. We stand united in strength."
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End of twitter post'More than 40 dead in Morelos state'published at 21:36 British Summer Time 19 September 2017
The governor of the state of Morelos, west of Puebla state where the quake hit, is now saying that at least 42 people there have been killed, Reuters is reporting.
'Four dead' after quakepublished at 21:34 British Summer Time 19 September 2017
At least four people have died, officials quoted by Reuters news agency are saying.
Two of those were killed in Puebla state after a school collapsed and two died in Mexico State.
The mayor of Mexico City, Miguel Angel Mancera, says there are no reports of deaths yet in the capital.
Mexico quake in picturespublished at 21:29 British Summer Time 19 September 2017
Image source, AFPThe first images from Mexico City show panic after the quake hit. We have put together a collection here.
Buildings collapse in Mexico Citypublished at 21:25 British Summer Time 19 September 2017
A powerful earthquake has shaken central Mexico, causing some buildings in the capital Mexico City to collapse.
Several people have been killed, according to reports.
The magnitude 7.1 quake was centred in Puebla state about 120km (75 miles) from the capital, the US Geological Survey said.