Dr John, the Rock And Roll Hall Of Fame singer, has died aged 77 after suffering a heart attack.

The New Orleans-born musician, whose real name was Malcolm John Rebennack and who was a six-time Grammy winner, died on Thursday, a message posted to his official Twitter account said.

A statement said: "Towards the break of day June 6, iconic music legend Malcolm John Rebennack, Jr, known as Dr John, passed away of a heart attack.

"The family thanks all who shared his unique musical journey & requests privacy at this time. Memorial arrangements will be announced in due course."

Dr John, born in 1941, was known for music combining blues, pop, jazz, boogie woogie and rock and roll.