'Glee' Star Naya Rivera Missing, Feared Drowned After Boat Ride With 4-Year-Old Son

“Glee ” star Naya Rivera i s missing and feared drowned following a boat ride with her young son on a reservoir in California.

The actor’s 4-year-old son was discovered alone in the boat they had rented on Lake Piru, in the Los Padres National Forest, on Wednesday afternoon, CBS Los Angeles reported .

The mother and son had been swimming, and Rivera never returned to the vessel, the boy reportedly told investigators.

Drones, dive teams and helicopters scoured the reservoir for the 33-year-old actor on Wednesday. On Thursday, law enforcement said that they believe Rivera drowned and that the search is now a recovery operation, CNN reports .

“We’re presuming that an accident happened and we’re presuming she drowned in the lake,” Ventura County Sheriff’s Deputy Chris Dyer said at a news conference, per CNN .

Rivera had posted a photo of herself and her son on social media shortly before her disappearance. Her son, who was asleep and wearing a life vest when he was found, is “in good health,” according to the sheriff’s department .

Multiple teams continued to search for Rivera’s location on Thursday afternoon, the sheriff’s department said on Twitter.