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People 'trapped' in Philadelphia building collapse People 'trapped' in Philadelphia building collapse
(35 minutes later)
At least five people have been injured and taken to hospital after a building collapse in the centre of the US city of Philadelphia.At least five people have been injured and taken to hospital after a building collapse in the centre of the US city of Philadelphia.
The city's fire commissioner says as many as 10 people are believed still trapped. Local media report two three-storey buildings collapsed fully.The city's fire commissioner says as many as 10 people are believed still trapped. Local media report two three-storey buildings collapsed fully.
Aerial news footage showed rescue crews digging through the rubble.Aerial news footage showed rescue crews digging through the rubble.
A building on the block had been under construction but there is no word on what caused the collapse. A building on the block was being demolished but there is no word on what caused the collapse.
Witnesses said they heard a loud rumbling sound immediately beforehand.
The collapse happened around 10:30 local time (14:30 GMT) at the intersection of 22nd Street and Market Street in Philadelphia's Center City neighbourhood.The collapse happened around 10:30 local time (14:30 GMT) at the intersection of 22nd Street and Market Street in Philadelphia's Center City neighbourhood.
A television station reports a third building is partially collapsed as well. A local television station reports a third building is partially collapsed as well.
Authorities asked news helicopters to clear the air over the scene so rescuers could hear people trapped under the rubble. Authorities have asked news helicopters to clear the air over the scene so rescuers could hear people trapped under the rubble.