New York police investigate mysterious cases of people coming out of manholes

“The NYPD, to make sure there was not a threat to the public, sent their highly trained Emergency Services Unit officers into the sewer system to make sure nothing nefarious had been left behind by the individuals – nothing was found,” the New York City police department told NBC in astatement on Monday...

 https://www.theguardian.com/us-news/2026/jun/02/new-york-police-investigate-people-emerging-manholes