Philadelphia April 23, 2018 8:42 pm South Philly Building Collapses Following Possible Gas Explosion A building in South Philadelphia collapsed Monday night following a possible gas explosion. SkyForce10 was over the scene. US & World Videos 1:30 NJ man is riding his bike 1100 miles to promote cardiovascular exercise to overcome heart disease 2:35 Workers describe the chaos after deadly workplace shooting left 2 dead, 3 hurt in Chester 0:28 14-year-old boy shot by another teen while playing with a gun 4:54 The history of the Benjamin Franklin Parkway and how it was inspired by Paris' Champs-Élysées 2:17 ‘Food has been an integral part my life': Local chef nominated for another James Beard award