At least eight people have died after two boats capsized near San Diego's Black Beach, according to emergency officials.

The San Diego Fire-Rescue Department began receiving calls about the two panga fishing boats at about 11:30 p.m. Saturday, ABC San Diego affiliate KGTV reported.

The rescue effort turned into a recovery overnight, which was complicated by foggy and misty conditions, first responders said.

This is a developing story. Please check back for updates.