An Active Shooter Safety Seminar will take place on Thursday, Sept. 14, from 6 to 8 p.m. at Hummelstown Chemical Fire Company, 249 E. Main St., Hummelstown. Derry Township Police Sgt. Anthony Clements will provide guidance on what to do in an active shooter situation.

To register or for more information, call 717-534-1323. The seminar is hosted by state Rep. Tom Mehaffie.