It's the 35th anniversary of the murder of John Lennon, who was shot death in New York City in 1980 by crazed fan Mark David Chapman. And the former Beatle's artiste and social activist wife Yoko Ono tweeted the image of the star's blood-splattered glasses and called for an end to gun violence.

To commemorate Lennon’s death, Ono tweeted, “Over 1,100,000 people killed by guns in the USA since @JohnLennon was shot and killed on Dec 8 1980.” She then added the hashtag, “#StopGunViolence.