Multiple explosions at a steel plant near Pittsburgh have killed two people and left 10 others injured on Monday, according to authorities. Video captured a massive black plume of smoke rising from the U.

CLAIRTON, Pa. (TNND) — An investigation is ongoing after two people were killed and 10 were injured in an explosion at a U.S. Steel plant near Pittsburgh on Monday, leaving behind smoldering rubble and plumes of black smoke.

One victim has been identified as Timothy Quinn, a father of three. Ten other people were injured, and five of those remain in critical condition. The U.S. Steel facility, which is about 15 miles southeast of Pittsburgh, processes raw components that go into steel making.