Several men were caught on video early Friday morning coming out of a sewer manhole in Brooklyn.
Now, police are trying to determine what exactly they were doing underground.
Caught on camera
CBS New New York obtained video showing what appears to be a group of at least seven men gathering around a manhole on McDonald Avenue and Colin Lane in Flatbush late Thursday night. Some appear to be wearing waders and gloves.
Using flashlights as their guide and car lights to light up the area, one by one, all seven of them descend below ground.
Just after 2 a.m. Friday, another camera captures seven men emerge from the same manhole…