You may have never even really noticed those big white circles on the London Underground, let alone knowing it's where important emergency buttons are located. But TfL have explained what exactly is ...

TAIPEI (Taiwan News) — Taipei Metro on Saturday (June 10) completed a test for an emergency stop button (EMS) at a station on the Wenhu Line in the wake of a deadly Taichung MRT accident last month.

WILLIAMSBURG, Va. (WAVY) — An operator accidentally pressed an emergency stop button while the Apollo’s Chariot rollercoaster was in motion Saturday night at Busch Gardens, causing some riders to ...