A man has been detained by police and number of people have been injured following a stabbing near London Bridge, the Metropolitan Police said.

Footage on social media appeared to show armed officers with their weapons poised, while witnesses told the PA news agency they heard gunfire.

A police statement said: "Police were called at 1:58pm to a stabbing at premises near to London Bridge.

The Leader:

"Emergency services attended, including officers from the Met and the City of London Police.

"A man has been detained by police. We believe a number of people have been injured. Further info to follow."

No further details about the injured were available.