Gunfire erupted at a suburban San Diego motel while federal agents were serving a warrant, police said.

The shooting occurred around 10 a.m. at a La Mesa motel, though it was not immediately clear whether anyone was injured, Fox5SanDiego.com reported.

Authorities, who did not immediately disclose who fired the shots, believe a woman is in the room with the suspect.

Streets in the surrounding area were being blocked off to traffic.

No other information was released.

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