Members of heavy metal band Iron Maiden have said they are "deeply saddened" following the death of former bandmate Paul Di'Anno.
Di'Anno sang with the British band between 1978 and 1981 and featured on their self-titled debut album and its follow-up Killers - singing songs such as Running Free, Sanctuary and Remember Tomorrow.
His death was announced by record label Conquest Records on behalf of his family on Monday.
He died at his home in Salisbury at the age of 66, it added.
A statement posted on the Iron Maiden official X account said: "We are all deeply saddened to learn about the passing of Paul Di'Anno earlier today.
"Paul's contribution to Iron Maiden was immense and helped set us on the path we have been travelling as a band for almost five decades.
"His pioneering presence as a frontman and vocalist, both on stage and on our first two albums, will be very fondly remembered not just by us, but by fans around the world.
"On behalf of the band, Rod and Andy, and the whole Iron Maiden team, we extend our deepest sympathies to Paul's family and close friends. Rest in peace Paul."
Steve Harris, bass player and founder of Iron Maiden, was quoted as saying: "It's just so sad he's gone."
He said he spoke with Di'Anno recently, adding: "At least he was still gigging until recently, it was something that kept him going, to be out there whenever he could.
"He will be missed by us all. Rest in peace mate."
Di'Anno was known for his aggressive voice, which gave the band a more punk-style sound.
He was forced to miss most of his debut Iron Maiden show after being arrested for carrying a knife.
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In 1981 he was dismissed from the band due to his erratic behaviour and drug usage. He was replaced by Bruce Dickinson, the group's current singer, but continued to make guest appearances.
After leaving the band, Di'Anno went on to record a number of solo albums and performed as part of other bands including Battlezone and Killers.
He married five times and fathered six children.
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