Prince death spurs tributes in purple

The life of the singer Prince, who has died at the age of 57, is being marked with purple-coloured tributes.
Buildings, newspaper front pages and websites across the US and beyond have changed colour in his honour.
Prince was found dead at his Minnesota home on Thursday. He became a superstar in the 1980s, with the albums 1999, Purple Rain and Sign O’ the Times.

No cause of death has been stated and a post-mortem examination will take place on Friday.
US President Barack Obama said the world had “lost a creative icon”.

Prince’s innovative music spanned rock, funk and jazz. He sold more than 100 million records during his career.