Los Angeles schools superintendent resigns after FBI search warrants

Alberto Carvalho put on leave after news of warrants but officials have not provided details of nature of investigation

The superintendent of Los Angeles public schools has resigned five months after the FBI served search warrants at his home and the LA Unified school district headquarters.

Alberto Carvalho had been put on leave after news of the federal investigation. He denied any wrongdoing earlier this year and had asked to be reinstated as head of the nation's second-largest district.