Story highlights Lawmakers have been facing off over the artwork that some Republicans have criticized as anti-police

Each member of Congress can select a painting by a constituent to hang in the Cannon tunnel

Washington (CNN) Just one week into the 115th Congress and the House is already in the midst of a full-fledged battle -- over constituent artwork in a Capitol Hill tunnel.

The tug-of-war over a controversial painting displayed in the Cannon tunnel of the US Capitol continued Tuesday as Democratic Rep. William Lacy Clay re-hung the painting three times after several Republican lawmakers pulled it down, criticizing it as being anti-police. The artwork depicts some police officers as pigs.

Republican Rep. Duncan Hunter first unscrewed the painting Friday, returning it to Clay's office.

Clay and members of the Congressional Black Caucus ceremoniously re-hung the painting Tuesday morning.

By Tuesday afternoon, it was taken down again, this time by Colorado's Doug Lamborn, who told CNN in a phone call he "did what I had to do."

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