NEW : Singer has been cancelled over ` ` work visa '' issues . British officials say Singer may pose a danger to UK citizens . He pleaded guilty last year to felony assault on his then - girlfriend , Rihanna . `` U ever feel like the storm clouds are too thick for any sunshine to get through ? '' Singer vents in Twitter posts ; one post says ` ` think i m gonna go away ! ! ! ! ''
NEW : Singer has been cancelled over ` ` work visa '' issues . British officials say Singer may pose a danger to UK citizens . He pleaded guilty last year to felony assault on his then - girlfriend , Rihanna . Singer vents in Twitter posts ; one post says ` ` think i m gonna go away ! ! ! ! ''