Authorities say two people have died and three others are injured after a boat collided with an object in Lake Austin before starting to sink.

Austin Fire Department Division Chief Palmer Buck says the boat hit a fixed object in the water at about 5 a.m. Sunday.

Austin-Travis County EMS said that one man was pronounced dead at the scene and four people were taken to the hospital. Austin police later said a second person had died.

Austin-Travis County EMS says the three other victims have injuries that are not considered to be life-threatening.