A shopping centre in Bromley, south London, was thrown into panic on Boxing Day as at least one person was injured in a reported knife attack.
Police say the incident isn't related to terrorism, according to Channel 4 News.
Video on social media shows panicked shoppers running out of the Intu shopping centre.
So we're in Bromley and everyone started running out the Center I'm not hanging around lol pic.twitter.com/tNB0teMsTl— Humble Intellectual (@HumbleChap) December 26, 2015
People at the busy shopping centre didn't know what was happening as the police came to the scene, and they feared it was a terrorist attack.
Stampede panic at Intu Bromley. Someone said there was a gun man. Not sure though. Outside now.— Keef M (@keefmoon) December 26, 2015
Was in Intu Bromley when people were running out in a panic. Hid in a clothes store staff room as I wouldn't have made it out in time.— The Bodywork Studio (@BodyworkStudio) December 26, 2015
Someone is not well at Aldo shoe shop in intu bromley. Lots of running around and shouting about shots fired pic.twitter.com/KLn5oAL7as— Bromley Oh Dear (@BromleyohDear) December 26, 2015
A spokeswoman for the Metropolitan Police told The Evening Standard: "We were called at 3.45pm to reports of an injured man at the shopping centre.
"Officers attended the scene and found a man believed to be in his 20s with a minor head injury. We believe he sustained it as a result of an altercation. The injured man has been arrested for affray and possession of an offensive weapon."
Re Bromley stabbing. This is the machete used in the attack earlier in the shopping centre. (via @HumbleChap) pic.twitter.com/hemZfmVih1— Mohammed Ansar (@MoAnsar) December 26, 2015
The Met spokeswoman continued: "Officers have recovered two knives and are seeking to trace a man of which we have no further details, who ran off the scene possibly discarding a weapon."