Two improvised explosives were thrown into the rear of the Mexican Consulate early Friday, authorities said. No injuries were reported.
Police and FBI agents were at the scene in Midtown Manhattan. The block was cordoned off by police tape.
Police believe someone on a bicycle threw the devices — made from replica grenades packed with explosive powder — at 3 a.m. Friday, causing small explosions that blew out some windows.
No other information was immediately available.