Mom, son, 14, may have been bludgeoned to death with gym weights in New York City apartment

A mother and her teen son, who was a day away from his 15th birthday, were bludgeoned to death in their Bronx apartment Sunday afternoon — and sources say cops were searching for the mom’s boyfriend as a possible suspect.

Marisol Ortiz, 51, and her son Alanche Delorbe, 14, were found at 3:38 p.m. in their East 185th Street apartment in Belmont, both having suffered apparent head trauma, police said. They were pronounced dead at the scene by EMS.

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The murder weapon may have been an exercise weight, which was found near the bodies, sources said.

The grisly discovery was made by the mom’s 22-year-old daughter, who had last seen the two a day earlier, then returned to the apartment Sunday to find them dead.

Police did not immediately release the name of the sought boyfriend.

The dead teen had been about to turn 15.

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“Tomorrow is his birthday,” the boy’s distraught cousin, Haydee Leonardo, told The Post of the dead child, speaking outside the apartment on Sunday night.

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