Port Authority police responded, as well as TSA explosive experts. The man told agents he got the inert grenade as a gift at a museum.

A grenade was found inside a man’s carry-on luggage at LaGuardia International Airport, according to the Transportation Security Administration.

Transport Security Administration (TSA) officers at LaGuardia Airport (LGA) discovered an inert grenade inside a male passenger's carry-on luggage while he was attempting to pass through the security checkpoint at the New York airport.