#BBCtrending: Campaigning with a bang

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Media captionIowa's Joni Ernst sets her sights on the president's healthcare law

This election season candidates have been spending millions of dollars on television advertising to try to win or hold onto seats in the US Congress.

Guns have been a recurring prop in many of the most successful adverts, as candidates look to bolster their perceived toughness or express their displeasure with a political proposition by opening fire on it.

BBC Trending's Anthony Zurcher looks at how firearms are being employed in some of this year's most popular campaign commercials, which have received hundreds of thousands of views on social media.

Video journalist: Bill McKenna

You can follow BBC Trending on Twitter @BBCtrending. All our stories are at bbc.com/trending

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