By Hannah Rabinowitz and Alex Stambaugh, CNN

(CNN) — An American man was arrested Sunday after allegedly plotting to throw Molotov cocktails at a branch office of the US embassy in Israel, according to the US Justice Department.

Officials arrested the man, 28 year-old Joseph Neumayer, at John F. Kennedy airport in New York after being deported from Israel to the US, according to a Justice Department news release.

The DOJ says Neumayer, who is also a German citizen, had allegedly arrived at the US embassy office in Tel Aviv on May 19 and spat on an embassy guard without provocation.

Neumeyer managed to break free as the guard attempted to detain him, leaving behind his backpack, the DOJ said, citing a complaint.

Guards found three Molotov cocktails in the backpack, the department said.

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