Man with massive machete gets Tasered on London platform

A man wielding a massive machete gets Tasered by police on the platform at London's Tulse Hill station on Monday evening.

As he falls to the floor, the filmer says "oh my God" and "s**t" as he lies on the ground, moving slightly. Hordes of police officers descend on him.

One witness on Twitter reported "women screaming and station in small chaos," while another said "several of us had to run."

"I am not sure what happened to him because i left as soon as i finished recording," said the filmer.