Authorities say several hundred people were evacuated from a terminal at LA/Ontario International Airport after a phony novelty grenade was found in a traveler's baggage.

Authorities say Terminal 4 was evacuated early Wednesday when the item was found in a box being scanned by security.

Authorities say the device was a gag gift — a grenade with a numbered tag attached to a plaque that said: "Complaint Department — Please take a number."

Travelers were allowed to re-enter the terminal less than an hour later after the item was removed.