Within the video, a hooded man carrying a masks is seen attacking one other particular person on the bottom with a big knife.
A passenger, who seems to be calling the police, could be heard shouting “cease him now” earlier than saying: “I'm on the practice to Beckenham Junction and this man is stabbing somebody on the practice.”
Vacationers are heard calling the police and begging the attacker to cease his assault.
Linda, 70, who didn’t wish to give her surname, arrived at Beckenham Junction after the assault whereas the practice was nonetheless on the platform.
She mentioned: “I had simply bought off the practice arriving on platform one and the very first thing I noticed was all these folks round.
“There have been a number of schoolchildren and commotion. Everybody had gotten off the practice. There was popcorn all around the ground.
“There was a baby crying and two women with him, and after I handed by one of many women she mentioned, 'she noticed him.'
“A girl behind me was on the telephone to the police shouting 'it's Beckenham station'. In 5 minutes the police have been right here.
“Everybody appeared very stunned. It doesn't occur fairly often and I've lived right here for 24 years.
“It scares you slightly.”