More than 50 heads of state gather at the One Planet summit in Paris. The French President, Emmanuel Macron, said that two years after the Paris climate agreement, the rise in global temperatures had become a permanent emergency. Also: a deadly explosion at an Austrian gas terminal prompts Italy to declare a state of emergency over energy supplies, and one of the most eagerly awaited films of the year, ‘Star Wars, The Last Jedi’, is being released around the world this week - we look at the critical reaction to the movie.