VIDEO : Mystery Of Cranberries' Dolores O'Riordan Death Under Investigation

A British coroner is awaiting the results of tests to determine what killed The Cranberries singer Dolores O'Riordan. According to South African website Channel 24, Westminster Coroner's Court opened an inquest into the singer's death. Coroner's officer Stephen Earl said O'Riordan was found unresponsive in her London hotel room and was declared dead at the scene by ambulance workers. Police say they don't consider the death suspicious, meaning they have found no sign of foul play. The Cranberries formed in the Irish city of Limerick at the end of the 1980s. Their 1990's international hits included Dream, Linger and Zombie.