The front landing gear of a Boeing 737 operated by Southwest Airlines collapsed upon landing at La Guardia Airport on Monday evening, thrusting the plane's nose into the tarmac and sending out a stream of sparks as the plane skidded to a stop, officials and witnesses said. At least 10 people were injured, according to the Port Authority of New York and New Jersey, which operates the airport; six of those were taken to Elmhurst Hospital Center. The airport was closed for about 80 minutes, and one of its two main runways reopened at 7:06 p.m. The authorities did not immediately indicate the cause of the accident. "The plane's nose gear collapsed as the aircraft landed on Runway 4 at 5:45 p.m.," Kathleen Bergen, a spokeswoman for the Federal Aviation Administration, wrote in an e-mail. Officials said the airport would not be fully operational until at least Tuesday morning.
