Dolores O’Riordan, lead singer of The Cranberries, has died. She was 46.

According to her family, O’Riordan does suddenly and no further details on how it happened have been released.

The singer was in London with her family, for a short recording session. The band shot to fame in the 1990s and we’re heard all over the radio with their smash hit “Zombie.” O’Riordan went on to release two solo albums during the band’s hiatus.

Her family members are requesting privacy at this very difficult time.