OLYMPIA, Wash. (AP) — Gov. Jay Inslee was on the U.S. House floor as Democrats staged a sit-in to try and force a vote in that chamber on gun control measures.

Inslee tweeted a picture of himself standing on the House floor Wednesday, writing he was there "to thank House Democrats for standing against gun violence."

He had been in Miami and Washington, D.C. for campaign-related events. His spokeswoman said that he was heading back to Washington state in the evening.

Nearly 100 Democrats led by Georgia Rep. John Lewis demanded a vote on measures to expand background checks and block gun purchases by some suspected terrorists in the aftermath of last week's massacre in Orlando, Florida, that killed 49 people in a gay nightclub.

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