Several Dead as Venezuela Votes

Several people have been killed in Venezuela as the government holds a deeply divisive election for a new assembly to rewrite the constitution. We get the latest on the violence from our correspondent in Caracas and hear from the opposition why they are boycotting the vote.

Also in the programme: Remembering Passchendaele, one of the First World War's bloodiest battles; and can the US protect itself effectively from North Korea with a missile defense shield?

(Image: An opposition supporter walks near burning motorcycles during clashes in Caracas. Credit: Reuters/Carlos Garcia Rawlins)