B.B. King, known for his hits Lucille, Sweet Black Angel and Rock Me Baby, died in his sleep in Las Vegas.

Legendary blues guitarist B.B. King, who died aged 89, was poisoned, according to two of the music great's heirs.

B.B. King's estate dismissed as "baseless" Tuesday claims by the late music icon's daughters that he was poisoned, as police said they were not investigating the charges.

Las Vegas police have launched a homicide investigation into the death of B.B. King after the daughters of the blues guitar legend reportedly accused his aides of poisoning him.

American blues legend BB King is hospitalised, The Los Angeles Times reported Monday, citing representatives for the singer but giving no details about his condition.