Christopher Nolan’s Dunkirk (12A) is an epic tale of the greatest mass rescue of World War II, when 400,000 men of the British Expeditionary Force were left stranded and undefended on Dunkirk beach as the German army closed in for the kill.

A five-year-old child was killed and at least 19 other people injured when a powerful storm with tornadoes ripped through north-east Nebraska, hospital and emergency officials said.

Nebraska’s supreme court has ruled that electrocution is cruel and unusual punishment, outlawing the electric chair in the only US state still using it as a sole means of execution.