Multiple rescued from pontoon boat near Alcatraz as search continues for missing persons

Two people are missing, and 17 others were rescued Tuesday from a pontoon boat near Alcatraz Island off the coast of San Francisco, authorities said.

One of the 17 people pulled from the water was receiving CPR, while one person remained missing, San Francisco Fire Lt. Mariano Elias said.

Elias described the vessel as a "pontoon pleasure boat" that was roughly 600 yards from Alcatraz Island when the fire started.

This is a developing story; check back for updates.

The Associated Press contributed to this report.