Two burglars, one with a gun, in a Commack home Tuesday morning fled when the owner’s Rottweiler ran into the room, police said.

The two men entered the home on Orchid Lane about 2:12 a.m. and demanded money, Suffolk County police said.

One of the burglars hit a 27-year-old woman in the head with a gun, then struggled with her 54-year-old father, police said.

That’s when the Rottweiler entered the room, and the burglars fled empty-handed, police said.

The woman refused medical help and her father was not injured, police said.

CORRECTION: An earlier version of this story misstated the name of the street where the burglary occurred because of incorrect information from police.

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