LIVE: 1 killed, 2 missing after boat sinks in San Francisco Bay near Alcatraz; rescue underway

SAN FRANCISCO -- At least one person was killed and two others are missing after an incident on a boat that sank in the San Francisco Bay Tuesday afternoon, prompting a massive response from crews working to rescue people.

The incident happened in the Bay, in between the Golden Gate Bridge and Alcatraz Island. SKY7 video showed the boat fully sinking underwater.

San Francisco Fire officials confirm 16 other people have been rescued from the water. Nineteen total people were on board the boat.

An ABC7 Eyewitness News photographer on scene confirms at least one person was killed.

SFFD says that they received a call after 3:30 p.m. for a boat on fire. It was a pontoon-type boat.

San Francisco Mayor Daniel Lurie called the ongoing operation an "all-hands-on-deck" search and rescue mission.

First responders took the boat passengers to the Fort Mason area in San Francisco.