Lostprophets were a Welsh rock band from Pontypridd, Wales, formed in 1997, founded by vocalist and lyricist Ian Watkins, bassist (later guitarist) Mike Lewis, drummer Mike Chiplin and guitarist Lee Gaze. The band was founded as side-project to the band Public Disturbance, and was part of the Cardiff music scene.Lostprophets released five studio albums, with the last, Weapons, released in April 2012. They achieved two top-ten singles on the UK Singles Chart ("Last Train Home" and "Rooftops"), one number-one single on the US Alternative Songs chart ("Last Train Home"), several Kerrang! Awards and nominations, and sold 3.5 million albums worldwide.
In December 2012, Watkins was charged with multiple sexual offences against children. Lostprophets cancelled all tour dates and announced they were disbanding in October 2013, before the end of Watkins’ trial. Watkins pleaded guilty to several charges, and in December 2013 was sentenced to 29 years’ imprisonment plus six years on licence. In June 2014, the remaining members formed No Devotion with American singer Geoff Rickly of the band Thursday.