Dunkirk: plain sailing for Christopher Nolan's war epic at top of the UK box office

Nolan’s film continues its strong showing in its second week, but Captain Underpants fails to top Despicable Me 3’s box-office haulIf Christopher Nolan’s second world war drama stunned with its £10.02m UK opening weekend, then what happened next is surely even more remarkable. Dunkirk fell only 18% for its second session, posting second-weekend takings of £8.24m. And strong weekday results last week mean that the film added £17m for the seven days since the op