Armed police surround a coach in Staffordshire on the M6 toll road, after a passenger was seen pouring liquid into a box which started smoking, but was later reported as e-cigarette vapour.
The evacuation of a coach on the M6 toll road which caused long tailbacks on one of the country’s busiest roads was a terror scare caused by the smoke vapour from an electronic cigarette, police have revealed.

Full article:
M6 toll Coach Terror Scare Caused by Vapour from Electronic Cigarette– The Guardian – July 5, 2012
By Alexandra Topping, Sandra Laville
Link to The Guardian article