London, Nov 29 (IANS): Several people were injured in what the police called a stabbing attack followed by gunshots on the London Bridge here on Friday afternoon, media reports said.

According to the Met Police, cops were called to a premises near the iconic bridge on reports of a stabbing at around 2 p.m. (GST) and had detained a man, the BBC reported.

A BBC reporter on the spot said that he had seen a group of men involved a fight on the bridge, before the police reached the spot and shots were fired.

"There appeared to be a fight going on on the other side of the bridge, with several men attacking one man.

"Police then quickly arrived, including armed police, and then a number of shots were fired at this man," he reported.

Prime Minister Boris Johnson, in a tweet, said that he was being updated on the incident and wanted to thank the police and all emergency services for their response.

Home Secretary Priti Patel also tweeted that she was "very concerned" about the incident.

Meanwhile, the police asked people to follow the directions of its personnel on the spot, while British Transport Police announced that the London Bridge station was currently closed and no trains would be stopping there.