NEW YORK, March 24 -- Two people were killed and several others badly hurt when an Air Canada regional jet struck a fire truck on a runway while landing at New York's LaGuardia Airport, officials said. The pilot and copilot were killed in the late Sunday night collision, which crushed the nose of the aircraft, while around 40 passengers and crew members were taken to area hospitals, some with serious injuries. Most have since been released from treatment, authorities said Monday. Two Port Authority employees who were travelling in the fire truck also suffered injuries that were not believed to be life-threatening, said Kathryn Garcia, executive director of the Port Authority of New York and New Jersey, which operates the airport. The pilot and copilot were both based out of Canada, Garcia said during a news conference. The airport will remain closed until at least 2 p.m. Monday to facilitate the investigation, which is being led by the National Transportation Safety Board. The fire truck was traveling across the runway to respond to a separate incident aboard a United Airlines flight, whose pilot had reported "an issue with odor," said Garcia, who deferred additional questions about the sequence of events leading up to the crash to the NTSB. There were 72 passengers and four crew members aboard the aircraft, a Jazz Aviation flight operating on behalf of Air Canada, according to a statement from the airline. The flight originated at Montreal-Pierre Elliott Trudeau International Airport, the major airport serving Montreal.P8...