Explosive device wounds three at St Petersburg military academy

Uniformed army officials and rescue workers observe the aftermath of a blast caused by an unidentified explosive device that wounded three at a military academy in Russia's northwestern city of Saint Petersburg. The device was described as lacking casing, meaning that it was not a military device such as a mortar shell blast. Full story: http://www.rappler.com/world/regions/europe/227274-blast-at-russian-military-academy-april-2019