Police have released an image of two men wanted in connection with the stink bomb incident during rush hour on Friday.
At 4:29 p.m. two men were seen on the southbound platform of St. George subway station.
One of them threw a stink bomb onto the subway as the doors were closing and the train proceeded south.
Subway riders became alarmed, not knowing what substance was on the train which triggered an evacuation of Museum Station
According to police, a full emergency response was initiated, from Police CBRNE, Paramedics and Toronto Fire's Hazardous Materials Unit.
Police say the suspects intended to cause a panic on crowded subway car.
They are facing mischief charges.
Anyone with information is asked to call police or Crime Stoppers.