Washington, Feb 1 (Reporter) US President Donald Trump has expressed regret over the plane crash in Philadelphia. "So sad to see the plane go down in Philadelphia, Pennsylvania. More innocent souls lost. Our people are totally engaged. First Responders are already being given credit for doing a great job. More to follow. God Bless you all," Trump wrote on Truth Social. The US Federal Aviation Administration (FAA) has reported that there were six people on board a Learjet 55 that crashed in Philadelphia on Friday. Philadelphia Mayor Cherelle Parker said that "several dwellings and vehicles were impacted" but she had "no reports on the number of fatalities...////...