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PHOTO: Yoko Ono posted this image to her Twitter account on March 20, 2013 with the text "Over 1,057,000 people have been killed by guns in the USA since John Lennon was shot and killed on December 8, 1980."

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The Twitter account @BarackObama tonight retweeted Yoko Ono's picture of John Lennon"s bloody glasses from the day he was murdered.

The arresting photo, which includes text that more than a million people have been killed by guns since Lennon was shot in 1980, has been retweeted more than 11,000 times since it was posted Wednesday.

A retweet by the account associated with President Obama forwarded it to his more than 28 million followers. Retweets aren't always endorsements in Twitter etiquette, but Ono's activism comes at a time when President Obama and Democrats' push for more gun control after the Sandy Hook tragedy seems to be struggling.

A proposed assault weapons ban was stripped from a bill headed to the Senate floor. And that bill, which would universalize background checks, doesn't have the bipartisan support many backers would like.

Related: Ono Tweets Lennon's Bloody Glasses

Related: Senate Moves Democrats' Gun Control Bill

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