Mother and child among seven killed in Philadelphia medical jet crash
A small medical transport plane crashed into several buildings in the US city of Philadelphia on Friday evening
The mayor has confirmed thekilling all six people on board and at least one other person on the ground,.
Mayor Parker said emergency workers had worked through the night at the crash site.
The local residents are advised to stay away from the location if possible, as the investigation was ongoing.
The FAA and National Transportation Safety Board (NTSB) are investigating.
Officials said the wreckage site is large, spanning up to six blocks, and there is also debris in remote areas too.