Boeing 737 's nose gear collapsed on landing in New York . Aircraft slid down runway before coming to a stop ; passengers evacuated down slides . Several passengers hurt in incident ; largest domestic accident . National Transportation Safety Board investigating ; Southwest .
Boeing 737 's nose gear collapsed on landing in New York . Plane skidded down runway before coming to a stop ; passengers evacuated down slides . Several people hurt in incident involving largest domestic airline . National Transportation Safety Board investigating ; Southwest .