Watch Paul Potts' rendition of Nessun Dorma at his Britain's Got Talent audition.
Copyright: Britain's Got Talent/ITV/Freemantle Media.
More top news
Hundreds of people march for more affordable homes and control private rents in London.
Police proposals suggest that all frontline police officers should have the option of arming themselves with Tasers.
A British military healthcare worker is being monitored at the Royal Free Hospital following a needle-stick injury in Sierra Leone.