By CBS3 Staff

PHILADELPHIA (CBS) – Philadelphia firefighters battled flames and frigid conditions in Oxford Circle overnight. A fire broke out at Palapa’s Mexican Food & Drinks restaurant on the 6500 block of Castor Avenue, around 1:30 a.m. Friday.

Apartments are located above the restaurant.

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Firefighters say they arrived to find heavy flames coming from the first floor.

All occupants on the second-floor apartments escaped unharmed.

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There’s no word yet on the cause of the fire.