One day after a New Jersey man was found dead on the eastbound tracks at the Long Island Rail Road station in Merrick, investigators still are not sure how he died -- or if he had been hit by a previous train before being discovered.

The only thing investigators seem certain of so far is Neelan Mannuelpillai, 23, of Plainsboro, N.J., didn't jump in front of a train Wednesday, railroad spokesman Aaron Donovan said.

Officials said the body of Mannuelpillai was discovered under a train at about 8:30 a.m.

Donovan said the victim was on the tracks and immobile when he was struck by the 7:31 a.m. train from Penn Station to Babylon. But he said there were no obvious signs pointing to how Mannuelpillai died.

Driver faces upgraded charges in crash ... LIPA capacity issues ... 9/11: The children left behind Credit: Newsday

Plane makes emergency landing at Robert Moses ... Driver faces upgraded charges in crash ... Drugmaker plans new building in Suffolk ... Home health aides owed millions

Driver faces upgraded charges in crash ... LIPA capacity issues ... 9/11: The children left behind Credit: Newsday

Plane makes emergency landing at Robert Moses ... Driver faces upgraded charges in crash ... Drugmaker plans new building in Suffolk ... Home health aides owed millions

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