Chicago police officers were killed Monday night when they were hit by a train while investigating a call of shots fired on the city’s Far South Side, sources said.

The officers were doing surveillance following a ShotSpotter report when they were hit by an outbound South Shore train at the 103rd Street Rosemoor stop near 103rd Street and Dauphin Avenue around 6:20 p.m.

Metra officials shut down all traffic on the Metra Electric District tracks Monday evening while authorities worked at the scene.

The Northern Indiana Commuter Transportation District, which operates South Shore trains, uses Metra tracks.... Read More: Chicago Tibune