LAWRENCE, N.Y. (CBSNewYork) — A Long Island teenager has been accused of threatening to blow up his school, Nassau County Police said.

The 16-year-old student posted the threat against the Mesivta Ateres Yaakov School on his Facebook page, police said.

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The threats were brought to the attention of the principal, police said.

The school was evacuated and surrounding streets were shut down for two hours Tuesday morning.

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The student was arrested at the school without incident, police said.

He faces charges of making a terrorist threat and aggravated harassment.

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He was scheduled to be arraigned Wednesday.