New photos released by the NTSB show the UPS cargo plane’s left engine and the pylon holding it to the wing detached as it took off. The engine then exploded over the fuselage, killing the three pilots and eleven people on the ground. NBC News’ Tom Costello reports. | NBC Nightly News with Tom Llamas

The National Transportation Safety Board is urging SEPTA to implement recommendations immediately to stop the fire risk in the Silverliner IV railcars. The Federal Railroad Administration escalated matters, issuing an emergency order that requires SEPTA to take immediate, sweeping steps to reduce the risk of fire. During an unrelated press conference on Thursday, Mayor Cherelle Parker said her administration and SEPTA leaders have been speaking about the situation. #SEPTA #philadlephia #philly #