Two Pennsylvania state troopers and a civilian were killed in a crash on Interstate 95 in Philadelphia early Monday, state police said. (March 21) Subscribe for more Breaking News: http://smarturl.it/AssociatedPress Website: https://apnews.com Twitter: https://twitter.com/AP Facebook: https://facebook.com/APNews Instagram: https://www.instagram.com/APNews/ ​ You can license this story through AP Archive: http://www.aparchive.com/metadata/youtube/13d19fa0158e460792b4acf59110522f