Three of the injured are in critical condition.
The restaurant where the blast happened appears to be located in a strip mall.
The Peel Regional Police put out a surveillance photo showing the two suspects they are looking for. They say the men took off immediately after the explosion.
2 suspects attended the scene, detonated an Improvised Explosive Device within the restaurant. Several injured were taken to local hospital and 3 in critical condition were taken to a Toronto Trauma Centre. pic.twitter.com/yzCT59UVN6— Peel Regional Police (@PeelPoliceMedia) May 25, 2018