The Philadelphia Arson Task Force is seeking two suspects after an M-type explosive was thrown into a Chinese restaurant in Kensington, causing considerable damage.

The incident occurred about 11:10 p.m. Sunday inside the restaurant on the 700 block of Thayer Street, officials said. No injuries were reported.

Police on Wednesday released a video of two males wanted for questioning in the attack. The video shows the explosive device going off, ripping out part of a wall in the eatery.

Police did not say what size M-type explosive was used.

M-types range from M-80, with 3 grams of explosive mixture, to M-1000, the equivalent of a quarter a stick of dynamite with 25 to 30 grams of explosive mixture, according to the Bureau of Alcohol, Tobacco, Firearms and Explosives.

Anyone with information is being asked to call Arson Task Force Detective Timothy Brooks at 215-446-7874. The task force is made up of members of the Philadelphia Police and Fire Departments and the federal ATF.