Police have lifted the shelter in place order at Claremont McKenna College after searching the area and finding no evidence of a shooter or  weapon. There were no injuries, and no arrests were made.

The shelter in place order was lifted at 7:30 p.m.

Police from multiple agencies descended on Claremont McKenna shortly after receiving a 4:42 p.m. call about a man carrying an assault rifle on the 888 N. Columbia Ave. campus. Police from Claremont, Upland, and La Verne blocked streets around CMC for nearly three hours.

This story will be updated as more information becomes available.

Police from multiple agencies responded to reports of an active shooter at Claremont McKenna College at about 5 p.m. Thursday. Courier photo/Andrew Alonzo

Police from multiple agencies responded to reports of an active shooter at Claremont McKenna College at about 5 p.m. Thursday. Courier photo/Andrew Alonzo