SPARTA, N.J. (AP) — Police say a group of men smoking marijuana at a home in northern New Jersey created so much smoke they triggered a fire alarm — and then their own arrest on drug charges.

Fire officials in Sparta say that when the smoke detector went off, it activated a home alarm system that resulted in both the fire and police departments being dispatched.

The New Jersey Herald of Newton reported police detected a strong odor of burnt marijuana when they got to the house early Thursday but found nobody inside because everybody had fled.

Three young men and a juvenile were later arrested on drug-related charges.

At the home police say they found a glass water bong, a plastic bag with marijuana, a marijuana grinder and other drug paraphernalia.

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