Keith Flint in pictures

EPA Keith Flint, 2010EPA
Keith Flint, of The Prodigy, has died aged 49. Flint sang lead vocals on both the band's number one singles, Breathe and Firestarter.
Reuters The Prodigy lead singer Keith Flint sticks out his tongue at press photographers during the 1996 MTV Europe Music Awards gala in LondonReuters
Seen here sticking his tongue out at press photographers during the 1996 MTV Europe Music Awards gala in London, Flint was known for his fluorescent spiked hair.
PA Keith Flint of The Prodigy performing on stage at Knebworth, 1996PA
The Prodigy were known for their anti-establishment stance.
PA Keith Flint of The Prodigy at the V97 concert at Temple Newsham, Leeds, 1997PA
BBC Radio 2 DJ Jo Whiley described Flint as an "absolute sweetheart" and an "incredible iconic frontman with a soft centre". Flint is seen here at the V97 concert at Temple Newsham, Leeds, 1997.
Reuters Keith Flint performs during the first day of the Isle of Wight Festival at Seaclose Park in Newport on the Isle of Wight June, 2006Reuters
In 2006, The Prodigy appeared on the first day of the Isle of Wight Festival.
Reuters Keith Flint Isle of Wight FestivalReuters
Flint grew up in Braintree, Essex, and left school at 15.
PA Keith Flint Oxegen Festival 2008 IrelandPA
Performing during the Oxegen Festival in 2008 at Punchestown Racecourse in the Irish Republic.
PA Keith Flint at Glastonbury Festival, 2009PA
Flint was photographed away from his stage persona at the Glastonbury Festival in 2009.
PA Prodigy performing on the Main Stage during Radio 1 Big Weekend at Lydiard Park in Swindon, 2009PA
The band performed on the main stage during BBC Radio 1's Big Weekend, at Lydiard Park, in Swindon, in 2009.
Flint on Zane Lowe's Radio 1 show in 2009.
Flint and the band took over Zane Lowe's Radio 1 show in 2009.
Prodigy on stage at T in the Park 2015
Flint, Liam Howlett and Maxim performing at T in the Park in 2015
AFP Liam Howlett (R), Keith Flint (C), and Maxim (L) posing prior to an interview in Tokyo, 2015AFP
Liam Howlett (right) and fellow bandmate Maxim (left) said in a statement: "It is with deepest shock and sadness that we can confirm the death of our brother and best friend Keith Flint - a true pioneer, innovator and legend. He will be forever missed." The three are seen here in Tokyo in 2015.
Gonzales Photo / Alamy  Danish music festival Northside 2017 in Aarhus.Gonzales Photo / Alamy
The band were due to tour the US in May this year.
PA Keith FlintPA
Flint's bandmate Liam Howlett said on The Prodigy's official Instagram account he's "shell-shocked... angry, confused and heartbroken".