The New York Police Department is investigating a newly circulated TikTok video that shows three people climbing out of a Manhattan manhole near Penn Station in the early morning hours. The individuals appear dressed in overalls and wearing headlamps as they emerge from the underground opening at approximately 4 a.m. Police believe the group was searching the sewer system for valuables. The footage has drawn official attention and is now part of an active probe.

This incident follows multiple similar nighttime events earlier in 2026 in Brooklyn and Queens, where groups were also seen entering and exiting the sewer network. In those earlier cases, inspections conducted jointly by the NYPD and the Department of Environmental Protection found no structural damage and no immediate threats to public safety. The pattern of repeated entries has nonetheless raised concerns among authorities about the growing frequency of these unauthorized underground excursions.

Officials are stressing that entering the city’s sewer system is both illegal and extremely dangerous. The underground network contains toxic gases that can quickly become lethal, along with the constant risk of sudden flooding. Anyone inside the tunnels faces serious hazards that professional workers only enter with specialized training and equipment. The department is using the current investigation to reinforce these warnings to the public.

No arrests have been made so far in connection with the Manhattan video or the earlier incidents in Brooklyn and Queens. Detectives are reviewing the footage and attempting to identify the three individuals seen near Penn Station. The investigation remains ongoing as police try to determine exactly what the group was seeking and whether additional entries have gone unreported. Authorities continue to monitor social media for further videos that might provide new leads.

The combination of the viral clip and the prior cases has highlighted a small but persistent trend of people treating the sewer system as a place to explore or search for discarded items. While inspections have so far uncovered no damage, the potential for injury or accidental harm remains high. Police and environmental officials are urging anyone tempted to enter the manholes to stay above ground and leave the underground infrastructure to trained personnel.

As the probe continues, the NYPD is focused on both identifying the people in the latest video and preventing future entries. The 4 a.m. timing near a major transit hub like Penn Station adds an extra layer of visibility to the incident. For now, the three figures in overalls and headlamps remain the subject of an active investigation, and the public is being reminded that the city’s sewers are not a place for treasure hunting or adventure.