Two toddlers drowned in a backyard pool in Bellmawr on Sunday morning, authorities said. The children were pulled from the pool at a home on Old Kings Highway, the Camden County Prosecutor’s Office confirmed Tuesday. The drowning has been ruled accidental, a spokesman for the office said. Additional information wasn’t immediately provided. Video from 6abc.com shows an in-ground pool behind a two-story home. Four people have drowned in Camden County since Sunday, including two men who drowned at a lake in Winslow Township on Monday. Our journalism needs your support. Please subscribe today to N…