Mercer County, Pa. (WJET/WFXP/YourErie.com) — Pennsylvania State Police in Mercer County are investigating after several vehicles were damaged by water bottles thrown over the I-80 overpass. According to an Oct. 17 state police report, the incident happened on Sept. 19 at 5:44 a.m. in Findley Township, Mercer County. That’s when an unknown suspect allegedly threw […]