"I have confidence in him," the PM says as pressure mounts on Mandelson over his ties to convicted paedophile Jeffrey Epstein.

About a thousand supporters of Charlie Kirk gathered in London on Friday night to mourn the murder of the conservative activist, hours after hundreds held a candle-lit vigil in Sydney to keep his message alive.

Prince Harry returns to Britain this week amid speculation that he might visit his father, King Charles, for the first time in about 20 months.