All 21 injured in Delta plane crash released from hospital [Video]

All 21 passengers injured in a Delta Air Lines crash Monday have been released from the hospital, according to Delta.Video above: Passenger describes Toronto plane crash”The Delta and Endeavor families are grateful that all those injured Monday have been released from the hospital, and we extend our thanks to everyone who provided care to them over the past few days,” said Delta CEO Ed Bastian. “We will continue to connect one-on-one with customers, employees and loved ones as we move forward to make sure their needs are met with care.”The passenger jet made a hard landing before it lost a wing, burst into flames and flipped onto its roof at Toronto’s airport. Although 21 people were injured, all 80 people on board the flight from Minneapolis survived the crash.Here are some things to know about the crash:What caused the airplane to flip?Investigators and airport officials have been careful to avoid …