 Authorities are looking into the death of a nine-year-old boy who drowned in the Lock Raven Reservoir in Baltimore County. Police responded to a request to assist in a water rescue around 5 p.m. on Monday in the area around Delaney Valley Road Bridge. The child was located submerged by fire department personnel at the scene. They are unsure how long he remained under the water. Authorities report the boy was at the reservoir with his family.