Two young women died early on Saturday morning in a possible subway surfing incident on the J line in Brooklyn, sources familiar with the case said.

The unidentified victims were found unconscious and unresponsive atop a train car stopped at the Marcy Avenue station in Williamsburg at about 3:10 a.m. on Oct. 4.

Officers from the 90th Precinct and NYPD Transit District 33 responded to the location after receiving a 911 call about the incident.

EMS units pronounced both young women dead at the scene. WABC-TV reported that they appeared to be in their teens. The NYPD has not yet released their identities, pending notification to their families.

Overnight service on the J line was halted for several hours while the investigation took place, but service resumed by sunrise.

The preliminary

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