Twitter users said the station was closed and reported a "massive police presence."
Tooting right now... Anyone know what's going on ? #tooting #police pic.twitter.com/RNRvjpdTnG
โ Georgee (@GeorgeF_9) November 18, 2015
Love being Evacuated off my tube by armed police...
โ Ellisjkeyte (@ellisjkeyte) November 18, 2015
The Metropolitan Police said the police presence around Tooting Broadway station was due to reports of a man threatening people on a train, according to NBC News journalist Alexander Smith.
A Metropolitan Police spokesman told the Wandsworth Guardian: "This is an incident regarding a man who is believed to be making threats and carrying scissors."
Just been turfed out of Tooting Broadway station by armed police cause some absolute MONG is threatening people with scissors...
โ Amber H (@AmberRoth) November 18, 2015
After searching the station, police could not find anyone matching the alleged perpetrators description and the incident was "stood down."
Wandsworth police tweeted a statement saying officers would remain in the area.
1/2 At around 12:50hrs today officers, inc. armed, responded to reports of a man armed with scissors on a train at Tooting B/way tube stn.
โ Wandsworth MPS (@MPSWandsworth) November 18, 2015
2/2 A search of the area was carried out but no-one matching the description of the man was found, but officers remain in the area.
โ Wandsworth MPS (@MPSWandsworth) November 18, 2015
Comment: The fear level is alarmingly high in Europe after the Paris attacks.