Boat with kids aboard capsized in US

A  boat with dozens of kids aboard capsized in San Francisco city of the US. 
About 30 juvenile were on the boat and some trapped under the hull when it capsized off the city's Pier 45 on Saturday afternoon, Xinhua news agency reported.
A San Francisco Fire Department spokesperson tweeted that divers were on their way toward the scene to rescue those in the water.
The Latest on a boat carrying 30 people that capsized off San Francisco (all times local): 
A 5-year-old boy who wasn't breathing when he was pulled out of the San Francisco Bay after a boat he was in capsized is expected to survive. 
A spokesman with the San Francisco Fire Department says the boy was revived and is expected to make a full recovery. 
San Francisco Police Officer Giselle Talkoff says the boat carrying 27 adults and three children capsized for unknown reasons Saturday afternoon about 100 yards off Pier 45. 
Talkoff says five adults and two other children were also taken to hospitals. One was another 5-year-old boy who was initially listed in critical condition but is now stable. 
A fire department official says all are expected to survive. 
6:45 pm. 
Officials say a 5-year-old boy is in critical condition after a boat carrying 30 people capsized in the San Francisco Bay. 
San Francisco Police Officer Giselle Talkoff says the boat carrying 27 adults and three children capsized for unknown reasons Saturday about 100 yards off Pier 45. 
Talkoff says five adults and two other children were also taken to hospitals. 
Fire Department Assistant Chief Bob Postel says the 5-year-old was unconscious when he was taken from the water. 
A good Samaritan performed CPR on him until a police officer took over. The boy was then transported to a hospital. 
Postel says there were a lot of rescue boats on the water because of Fleet Week and rescue crews were able to reach the boat quickly. 
5:28 pm. 
The US Guard says all of the young people who were in a sail boat that capsized near San Francisco's Pier 45 are safe. 
Petty Officer 3rd Class Lou Stewart says they were taken to Pier 45. She had no other details about the Saturday accident. 
The San Francisco Fire Department said earlier in a tweet that the boat was carrying roughly 30 youths and that some were trapped under the boat's hull. It said U.S. Coast Guard rescue crews and divers were en route.