Scenes from Tuesday night's semifinal games. Mars defeated Trinity, 56-39, in the WPIAL Class 5A semifinal, while Peters Township took down Bethel Park, 55-39, in the WPIAL Class 6A semifinal. (Photos by Steph Chambers/Post-Gazette) #Pittsburgh #PGH #412 #Mars #Trinity #highschool #highschoolbasketball #WPIAL #WPIALbasketball #PetersTownship #BethelPark #basketball #PGPhotos