A fire broke out overnight at the Proton-PM plant in Perm, Russia, according to local residents.

A fire broke out overnight at the Proton-PM plant in Perm, Russia, according to local residents. The cause and consequences of the fire remain unknown. Proton-PM is a major Russian rocket-space and engineering enterprise producing liquid rocket engines and components for the aerospace and aviation industries. Perm is more than 1,500 km from the Ukrainian border.