Grenade detonated in courtyard of volunteer center in Odesa. PHOTOS+VIDEO

The surveillance camera footage was published online.

A blast reported in the courtyard at 35 Kanatna Str., where the volunteer organizations and the headquarters of the "Self Defense of Odesa" organization are located, this night, on May 6, Censor.NET reports citing Dumskaya.

According to the police, it was presumably a RGD-5 grenade that exploded. Investigation team works at the scene.

The surveillance camera footage, that captured the moment of the explosion, was published online.