L: Still of a man being tasered. (Xara Pandora via Storyful) R: Stock photo of an officer of the British Transport Police.
A man who was wielding a machete at a train station platform in London was tasered and detained by police on Jan. 14.
In a video taken from a nearby train at Tulse Hill station, the man can be seen waving the large weapon as he walked across the platform.
