ANTIOCH (CBS SF) — Firefighters rescued two people from a fire that swept through an apartment in Antioch Tuesday morning, authorities said.

Contra Costa County Fire Protection District said the fire was reported around 8:30 a.m. at the Parkview apartment complex on the 2800 block of Gentrytown Dr.

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Con Fire said firefighters arrived to a fully-involved unit on the lower level of the two-story complex. Two residents were rescued from the apartment; both were hospitalized for smoke inhalation.

A dog perished in the fire, which was contained to one unit, firefighters said.

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The cause of the fire was not immediately known.