A pair of teenage girls died early Saturday as they rode atop a J train rumbling into a Brooklyn station in the latest subway surfing death to grip the city , police said.

The two girls, believed to be between 13 and 15 years old, were found sprawled out on top of the last car of a J train as it entered the Marcy Ave. subway stop at Broadway in Williamsburg at around 3:10 a.m.

Both teens died on the Queens-bound train, cops said. Their names weren’t immediately released as police track down their relatives.

Detectives are investigating their deaths as subway surfing fatalities.

Train service along the J line was partially suspended between the Myrtle Ave. and Delancey St.-Essex St. stops for several hours as they continued their investigation. Normal train traffic resumed around 7

See Full Page