Both the victim and the shooter were reported to be sent to nearby hospitals – one to Barnes Jewish Hospital, and the other to St. Louis University Hospital. The shooter was reportedly in grave condition. SWAT teams, ambulances, and fire departments responded to the situation, and reportedly searched the building to verify that it was clear.

This is a developing story, and updates will be added as they become available.

Update 5:03pm EST: From KSDK-5 St. Louis:

The victim, whom sources identified as Greg Elsenrath, was shot in the chest. Elsenrath is the financial aid director at the Stevens Institute of Business and Arts.

Update 5:41pm EST: Both the gunman and Elsenrath have been upgraded to stable condition.

Update 5:54pm EST: Video: Interview with St. Louis Police Chief Sam Dotson

Update 7:33pm EST: St. Louis Post-Dispatch reports:

A police source identified the injured shooter as Sean Johnson, 34, of the 5300 block of Cote Brilliante Avenue. Johnson was put on probation in 2011 after slashing a man with a box cutter. Court records from the case indicate Johnson had mental health issues and was on prescribed medication.