The regulator has issued a ground stop for all planes and New York’s emergency management authority warned people to expect cancellations and delaysNew York’s LaGuardia airport was closed to flights early on Monday after an Air Canada flight and Port Authority vehicle collided.The New York polic e department confirmed the collision but could not immediately offer further information. A spokesperson for the New York City Fire Department said firefighters responded to reports of a plane that crashed into a vehicle on the runway at 11:38pm. Continue reading... ...read more read less