Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.AllNewsSportCultureLifestyleSeven individuals were captured on surveillance footage emerging from a manhole in Gravesend, Brooklyn, early on Friday morning before leaving in waiting vehicles. The group, some appearing to wear waders and carry flashlights, gathered near cars to remove gear before driving away. This incident occurred approximately an hour after a similar group of eight people was seen entering and exiting a sewer manhole in Williamsburg, Brooklyn. The NYPD is investigating both occurrences to determine if they are connected, though the reason for the groups being underground remains unknown. The NYC Department of Environmental Protection stated that entering the sewer system is illegal and extremely dangerous due to hazards like noxious gases and unstable surfaces. In fullCops baffled after seven people filmed emerging from Brooklyn manhole, changing clothes and disappearingThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in