France on Saturday prepared for the first round of presidential elections projected to produce a run-off rematch between President Emmanuel Macron and far-right leader Marine Le Pen that will be far tighter than their duel five years ago. All further political activity by candidates was banned on the final day before polls open in mainland France at 06:00 GMT on Sunday, after a campaign overshadowed by Russia’s invasion of Ukraine. French overseas territories will begin voting earlier to take account of the time difference, starting with Saint Pierre and Miquelon off the coast of Canada at 10:…