Mutual Aid expanding ambulance service in Derry Township lowber 4 years ago Mutual Aid is expanding its ambulance services in Derry Township. Source: The Tribune-Review Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Troopers say man assaulted paramedics, damaged ambulance at homeless shelter in Derry TownshipDateOctober 4, 2021In relation toLocalMutual Aid Ambulance named Mt. Pleasant Township EMS providerDateAugust 29, 2021In relation toLocalMutual Aid EMS leaving Latrobe site for Arnold Palmer airport, Derry TownshipDateApril 27, 2023In relation toLocal