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A hand grenade found in a carry-on bag at Los Angeles International Airport prompted officials to delay five flights and disrupt travel plans for some 800 passengers for a couple of hours, according to the Transportation Security Administration.

Officials arrested one person in relation to the incident, according to a TSA statement on Friday. It was not immediately clear when the incident occurred.

"The Terminal 1 checkpoint was closed while the Explosive Ordnance Disposal team transported the grenade to an offsite location to be disrupted," the statement added. "Five flights were delayed 2 hours, 19 minutes, affecting 800 passengers."

"We continue to find inert hand grenades and other weaponry on a weekly basis," according to the TSA. "Please keep in mind that if an item looks like a real bomb, grenade, mine, etc., it is prohibited."

- F. Brinley Bruton