One of Latin America's most famous folk singers, Facundo Cabral, has been murdered in Guatemala.

Officials say gunmen opened fire on the Argentine singer's vehicle Saturday in Guatemala City. At least one other person was wounded in the attack.

The 74-year-old Cabral had been on his way to the airport. A second car carrying one or more of his bodyguards was also struck by bullets.

The motive of the shooting was not clear.

Guatemalan President Alvaro Colom said officials are investigating.