Dolores O'Riordan during a break from recording her 'comeback' album in April 2007. Photograph: Bryan O'Brien
Dolores O'Riordan joins Italian singer Zucchero onstage during a benefit show in aid of the UNHCR refugee fund, at the Royal Albert Hall, London, in May 2004. Photograph: Yui Mok/PA Wire
Dolores O'Riordan poses with her European Border Breakers Award during Midem, in Cannes, France, in January 2008. Photograph: Gilbert Tourte/Reuters
Dolores O'Riordan and Cranberries drummer Fergal Lawler at the Merrion Hotel in Dublin in February 2000 to announce the band's first gig in four years. Photograph: Collins
Dolores O'Riordan at Ennis District Court in December 2015. Photograph: Niall Carson/PA Wire
Dolores O'Riordan performs on stage during a concert in Tirana, Albania, in June 2007. Photograph: Arben Celi/Reuters
Dolores O'Riordan at the High Court in Dublin in April 2004. Photograph: Haydn West/PA Wire
Ali Hewson, Adi Roche and Dolores O'Riordan in Dublin in 2002 to announce that the profits of the Cranberries single 'Time is Ticking Out' would go to the Chernobyl Children's Project. Photograph: Marc O'Sullivan/Collins
Dolores O'Riordan at the Sony Radio Academy Awards 2007 at the Grosvenor House Hotel, London. Photograph: Yui Mok/PA Wire
Dolores O'Riordan performs on stage during the 23th edition of the Cognac Blues Passion festival in Cognac, France, in July 2016. Photograph: Guillaume Souvant/AFP/Getty Images
Dolores O'Riordan performs at the Sant Jordi Club in Barcelona in October 2012. Photograph: Josep Lago/AFP/Getty Images
Dolores O'Riordan in Dublin in October 2001. Photograph: Colin Keegan/Collins
Dolores O'Riordan and her then husband Don Burton leave the High Court in Dublin after winning an action taken against them by their former nanny Joy Fahy. Photograph: Collins
Dolores O'Riordan is presented with a birthday cake by 2fm DJ Gerry Ryan, at RTÉ studios. Photograph: Colin Keegan/Collins
Dolores O'Riordan poses in Paris in January 2012. Photograph: Joel Saget/AFP/Getty Images
Dolores O'Riordan at a news briefing in Dublin in 2000 to announce the Cranberries' participation in the Heineken Green Energy Festival. Photograph: Matt Kavanagh
The Cranberries perform on stage in Lublin, Poland, in June 2016. Photograph: Wojciech Pacewicz/EPA
Dolores O'Riordan waves after a performance in San Remo's Ariston Theatre, in Italy, in March 2002. Photograph: Claudio Papi/Reuters