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Washington • Dozens of protesters were arrested outside Sen. Orrin Hatch's Washington office on Tuesday after a union-backed gathering blocked the entrance to demonstrate against repealing Obamacare and in opposition to confirming President Donald Trump's pick to head the Department of Health and Human Services.

Capitol Police arrested 47 people and charged them with misdemeanors for violating a statute against crowding, obstructing or incommoding, a spokeswoman confirmed.

Scores of protesters either sat in the hallway outside Hatch's first-floor office or stood, some with fists raised, chanting, "What's your plan for us?"

The demonstration was staged by the Save My Care group, which is organized by the Service Employees International Union.

Hatch's office did not immediately respond to a request for comment.

The Utah lawmaker, the longest serving Republican in the Senate, has a round-the-clock security detail that is often posted outside his suite in the Hart Senate Office Building.

Hatch is the chairman of the Senate Finance Committee, which would oversee changes to Obamacare, also known as the Affordable Care Act.