ROCK band The Killers issued a grovelling apology after inviting a Russian on stage and telling furious fans he was their “brother”. Singer Brandon Flowers was booed and sparked a mass walkout at the gig in Georgia - which has had 20 per cent of its land occupied by neighbouring Russia since 2008. 6 The Killers were booed when Brandon Flowers introduced a Russian on stage 6 Singer Brandon Flowers attempted to talk the crowd round 6 The band were left being showered with boos 6 Fans also hit out at the group on social media Credit: Instagram Jeers rang...