Yoko Ono joins America's gun control debate by tweeting image of John Lennon's blood stained glasses

John Lennon's blood stained glasses, tweeted by Yoko Ono Photo: Yui Mok/PA Archive

The artist and wife of former Beatle John Lennon, Yoko Ono, has entered America's debate on gun control by tweeting an image of Lennon's blood stained glasses.

The image tweeted by Yoko Ono shows John Lennon's blood stained glasses Credit: Twitter/@Yokoono

The image carried the words, "over 1,057,000 people have been killed by guns in the USA since John Lennon was shot and killed on 8 Dec 1980."

Yoko Ono and John Lennon in 1971 Credit: PA Archive

Posting the tweet, 44 years to the day after the couple wed, she said: "The death of a loved one is a hollowing experience."

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The death of a loved one is a hollowing experience. After 33 years our son Sean and I still miss him. Yoko Ono Lennon http://t.co/PYigb2uJKT

John Lennon was murdered on December 8, 1980, outside his New York apartment.

He was shot four times in the back by Mark Chapman who had asked for his autograph only hours before.

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31,537 people are killed by guns in the USA every year. We are turning this beautiful country into war zone. http://t.co/vT2gLjwUZV

Tougher calls for gun control have been ongoing since the mass shooting last year that killed 20 schoolchildren and six adults in Newtown, Connecticut, and the Aurora cinema shooting last July.