New York (CNN) Two brothers, including a former teacher at a Harlem school, were arrested Thursday, accused of building bombs in the Bronx, a federal criminal complaint says.

Christian Toro, the former teacher, and Tyler Toro are charged with manufacturing a destructive device and the distribution of explosive materials to a minor.

Authorities found bomb-making materials, including metal spheres and chemicals to make the explosive material thermite, after executing a search warrant on the Toros' apartment.

Both suspects have been arraigned in court. Christian Toro, 27, was charged with one count of unlawfully manufacturing a destructive device and one count of distribution of explosive materials to a minor.

Tyler Toro, 27, faces one count of unlawfully manufacturing a destructive device.

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