A family spokesman for Muhammad Ali says the boxing great has been released from a hospital after recovering from a severe urinary tract infection.

Boxing great Muhammad Ali was hospitalised with a mild case of pneumonia that was caught early and should result in a short hospital stay, a spokesman said.

Boxing legend Muhammad Ali has been hospitalised with pneumonia and is expected to recover because the illness was caught early.

Former heavyweight boxing champion Muhammad Ali has been admitted to hospital with a mild case of pneumonia.