Recent surveillance videos from New York City have captured groups of individuals emerging from sewer manholes, leading to an NYPD investigation. The first incident occurred on May 28 in Brooklyn, where several people were seen climbing out of a manhole around 11 p.m. and fleeing in vehicles. Another incident took place early on May 29, with individuals entering a manhole near Heyward Street and Bedford Avenue, some carrying tools and wearing protective gear. A similar event was recorded in Queens on May 5. Despite the bizarre nature of these occurrences, police have stated there is no immediate threat to public safety. The NYC Department of Environmental Protection has inspected the sites and reported no damage to the sewer system. However, officials warn that entering the sewer is illegal and extremely dangerous due to potential hazards such as toxic gases and unstable surfaces. The investigation continues as authorities seek to determine the motives behind these unusual activities.