A man wielding a massive machete gets Tasered by police on the platform at London's Tulse Hill station on Monday evening. <br /><br />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. <br /><br />One witness on Twitter reported "women screaming and station in small chaos," while another said "several of us had to run." <br /><br />"I am not sure what happened to him because i left as soon as i finished recording," said the filmer.
