Longmont police arrested one man after responding to a call in the early morning hours Tuesday on Weld County Road 26 near Union Reservoir. According to Longmont Public Safety spokeswoman Robin Ericson, an officer heard about 12 gunshots at 461 Weld County Road 26 at 12:44 a.m. Tuesday. While traveling northbound on East County Line Road, an officer saw a maroon Chevrolet Silverado traveling westbound on WCR 26 approaching East County Line Road.