William Celli, 55, is being held at the Contra Costa County Jail on a $525,000 bond after an anonymous caller tipped police off about Celli’s activities. The owner of a plumbing company was charged with possessing an explosive device and making criminal threats.

The DNC says Vermont Sen. Bernie Sanders' campaign improperly accessed confidential voter information gathered by rival Hillary Clinton.

With no pressure from Ellen, the politician insisted on dancing the entire time during his interview, which made things painfully awkward.