The Suffolk County Police Department said a 17-year-old boy was...

The Suffolk County Police Department said a 17-year-old boy was stabbed Tuesday in Middle Island during an altercation with a group of people, one of whom stole his car. Credit: Barry Sloan

A Yaphank teen and student at Longwood High School was stabbed and robbed of his Mazda in Middle Island, authorities said.

Just after 1 p.m. Tuesday, the 17-year-old was walking near the intersection of Tie Street and Sander Court when he was approached by a group getting out of a passing vehicle, according to a Suffolk police news release.

"During an altercation, the teenager was stabbed with an unknown object and dropped his car keys," police said in the release.

The Mazda sedan was parked near the site of the attack, which occurred less than a mile east of Longwood High School.

"One of the suspects picked up the victim’s keys to the Mazda," police said, "and at least one individual fled the scene in that vehicle."

Police did not identify the victim. He was taken to a hospital for treatment of nonlife-threatening injuries, police said.

Superintendent Lance Lohman said in a statement Tuesday that the teenager, a student at Longwood High, came to the school’s visitor entrance seeking help after the stabbing.

School staff rendered aid to the teenager and contacted police, Lohman said.

The high school and junior high school implemented emergency procedures until the matter was resolved, and there may be an increased police presence in and around school grounds. All after-school and athletic events will continue as scheduled, Lohman said.

"Please rest assured that at no time were any of our students or staff in the building in danger and we will continue to work with local law enforcement officials to assist in any way that we can," Lohman said.

Lohman encouraged anyone who sees or hears anything of concern to contact the 24-hour school safety office at 631-345-6500.

Seventh Squad detectives are investigating and ask anyone with information to call 631-852-8752 or Crime Stoppers at 1-800-220-TIPS.

With Maureen Mullarkey

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