A clip from a 911 call on Saturday reveals that Chuck Berry was having a heart attack prior to his death.
The rock'n'roll legend died on Saturday, March 18, at the age of 90 in his home near St Louis, Missouri.
St Charles County Police confirmed that they responded to a 'medical emergency' and the 911 call reveals that they found Berry unconscious and barely breathing around 12.40pm on Saturday, and by 1.26pm he was pronounced dead.
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Rock and roll legend Chuck Berry died at his home in Missouri, US, at the age of 90
St. Charles County Police Department on Saturday announced that Berry had died at his home in Missouri
However, his death will be listed as natural causes, and no autopsy will be performed.
In the clip obtained by TMZ, police dispatcher refer to Berry's home as the 'new big looking house' on the block.
A police spokesman said: 'St. Charles County police responded to a medical emergency on Buckner Road at approximately 12.40pm today.
'Inside the home, first responders observed an unresponsive man and immediately administered lifesaving techniques.
'Unfortunately, the 90-year-old man could not be revived and was pronounced deceased at 1:26 p.m.
'The St. Charles County Police Department sadly confirms the death of Charles Edward Anderson Berry Sr., better known as legendary musician Chuck Berry.
The guitarist (pictured) was known for a number of hits, including Maybellene and Roll Over Beethoven
Berry leaves behind his wife Toddy and four children.
He was one of the pioneers of rock and roll music and was born in St. Louis in October 1926.
He came along at a time when much of the United States remained racially segregated, but it was hard for young audiences of any color to resist a performer who delivered such a powerful beat with so much energy and showmanship.
'Everything I wrote about wasn't about me, but about the people listening,' he once said.
Berry released his first album, After School Session, in May 1957.
He went on to record a further 18 studio albums. His 20th album, Chuck, is to be released later this year.
His first number one, My Ding-a-Ling, topped the charts in 1972.
Berry said he performed his signature bent-knee, head-bobbing 'duck walk' across more than 4,000 concert stages.