Donald Trump’s apparent suggestion that people could shoot Hillary Clinton to stop her appointing liberal judges to the Supreme Court caused outrage among many quarters.

One person it especially angered was the daughter of an America icon who was himself assassinated - his death sparking protests, riots and outcry across the country four decades ago.

“As the daughter of a leader who was assassinated, I find Trump’s comments distasteful, disturbing, dangerous,” tweeted Bernice A King, the youngest daughter of Martin Luther King. “His words don't #LiveUp.”

The civil rights leader, who was shot and killed while at a motel in Memphis in April 1968, is among a number of high profile political and social leaders in the US who have been killed by assassins.

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Perhaps most notoriously, President John G Kennedy was killed in Dallas in November 1963.

(Rex Features)

Malcolm X, a black Muslim leader was killed in February 1965, while Kennedy’s brother, Robert Kennedy was shot and killed in June 1968 while running to become the Democratic candidate for that year’s election.