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Phoenix, AZ -- Authorities in Arizona say they have investigative leads to pursue in connection with the mailing of an explosive device to Maricopa County Sheriff Joe Arpaio.
The sheriff's office says the device intercepted Thursday in Flagstaff was in a package addressed to Arpaio at his downtown Phoenix office.
A statement from Arpaio's office says the package appeared suspicious, so it was X-rayed and the device was detected. A bomb squad team neutralized the explosive.
Arpaio's chief deputy, Jerry Sheridan, told The Arizona Republic that investigators believe the package was picked up on Thursday at a rural Post Office box.
Flagstaff is about 140 miles north of Phoenix.
The self-proclaimed toughest sheriff in America is known for his tough treatment of jail inmates and cracking down on illegal immigrants.