Deadly Amazon cargo plane crash snarls Miami airport travel

… Prime Air Flight 7598 crashed into multiple vehicles and erupted in flames around 2 p.m. Sunday, Sept. 6, after it overran an airport runway. Fire and rescue crews worked to contain a fuel leak late into the evening Sunday. As of 9 a.m. ET Sept. 7, airport spokesperson Greg Chin said the aircraft had not yet been relocated. Two of the airport’s four runways remain closed, Chin said. The deadly crash happened during the Labor Day travel rush at one of the nation’s busiest airports. At least 55 flights have been cancelled, and more than 100 others are delayed at Miami International, according to FlightAware. The airport advises travelers to check with their airline for schedule changes. The National Transportation Safety Board is expected to hold a news conference Sept. 7 on their ongoing investigation into the crash. "We will continue to update you as soon as information is confirmed," Miami-Dade Sheriff Rosie Cordero-Stutz told reporters Sept. 6. At least three of the injured are in critical condition, Miami-Dade fire officials said. Some victims were trapped inside and underneath vehicles. Video of the accident obtained by NBC News Miami shows a cloud of black smoke billowing from the aircraft. …