Canadian police are searching for two hooded suspects (pictured) who triggered a blast injuring 15 people, three of them critically, in an Indian restaurant in Mississauga city neighbouring Toronto around 10.30 pm late on Thursday. Peel Regional Police released copy of the images of the two suspects captured on a CCTV camera installed in the restaurant. It showed two tall men wearing jeans and dark zip-up hoodie entering the eatery. Police say they planted an improvised explosive device before leaving the restaurant. The blast took place at Bombay Bhel in Hurontario Street near Eglinton Avenue. Joe Korstanje of the Peel Regional Paramedic Services said three people critically injured in the blast were taken to Sunnybrook Hospital in Toronto. Others escaped with minor injuries. Andre Larrivee, who lives near the restaurant, said he was watching television when an explosion shook the area. Martin Cybelius, another resident, thought it was an earthquake. Gursh Sagoo was driving when he saw police cars and ambulances entering the parking lot of Bombay Bhel. Consulate General of India in Toronto has opened a helpline after the blast. Indian Foreign Minister Sushma Swaraj said she is in touch with the consulate. The shopping plaza where the blast took place remained sealed off on Friday.