Toronto police have released an image of two male suspects believed to be responsible for throwing a stink bomb onto a subway train at St. George station on Friday afternoon.
The incident, which police are calling a mischief investigation, prompted the Toronto Transit Commission to shut down part of Line 1, from St. George to Union stations, for just under an hour.
Police said two men were seen on the southbound platform of St. George subway station at about 4:29 p.m. One threw an item onto the southbound subway train as the doors were closing.
It was a stink bomb and the train continued on its way, according to police.
The stink bomb released a sulfur-like smell onto the train, which alarmed subway riders. Police evacuated Museum station because the substance causing the odour was not known.
Police said the incident prompted a full emergency response, involving Toronto paramedics, Toronto Fire's Hazardous Materials Unit, and Toronto Police Service's Chemical Biological Radiological Nuclear and Explosives Team.
"The suspects intended to cause a panic within the crowded subway car," police said in the release.
Anyone with information is asked to contact police at 416-808-5200, Crime Stoppers anonymously at 416-222-TIPS (8477).