Naya Rivera, a star on Glee and previously engaged to US rapper Big Sean has gone missing and feared drowned at a California lake. Local authorities started a search party for Rivera after her 4-year-old son was found floating alone in a rented boat on Lake Piru, northwest of Los Angeles, according to CBS Los Angeles. Rivera, 33, was identified as the missing person on Wednesday night by the Ventura County sheriff’s department, saying a search and rescue operation was underway. Rescuers to continue a search for her on Thursday (today),...