A four year old boy drowned after falling into a neighbor’s pool in Altoona, on Monday evening. The drowning was called in just before 9 p.m. in the 2100 block of 21st Street. Reportedly, neighbors pulled the boy from the pool after he managed to bypass a locking mechanism at the residence. The boy was taken to UPMC Altoona where he was pronounced dead at the scene. Logan Township Police are investigating.