A business jet crashed in a neighbourhood in Florida on Sunday, killing all nine people on board, the US transport secretary has said.The crash happened near Cresthaven, some nine miles (14 km) from Mar-a-Lago, President Donald Trump's resort in the wealthy enclave of Palm Beach County, around 12:50 EST (17:50 GMT), reports BBC.Images from after the crash show a crater in the middle of a residential road, with patches of fire and pieces of concrete and debris from the Learjet 60 aircraft scatter...