Actress Thandie Newton has said she "can't work" in the UK because there are no roles for black and minority ethnic actors in historical dramas. London-born Newton said the number of costume dramas had led to "slim pickings for people of colour". Her criticism comes after British Film Institute research found that 59% of UK films since 2006 had no black actors in any role. Newton's next UK TV role will see her appear in BBC One's Line of Duty. Speaking to the Sunday Times Magazine, the mother-of-three said: "I love being here, but I can't work, because I can't...