The LIRR briefly suspended service on the Babylon Branch in Massapequa after a passenger was treated for a head injury.

The incident closed the Babylon Branch in both directions east of Jamaica on Thursday afternoon when MTA police responded shortly after 3 p.m.

The passenger was taken to a hospital to be treated for a nonlife threatening injury to the head, officials said. 

MTA police are investigating. 

Trains were being held at Long Island Rail Road stations until the tracks reopened by 3:45 p.m.

Check back for updates on this developing story.

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