Marine Le Pen’s anti-immigrant, eurosceptic party has extended its lead in the latest poll on the last day of campaigning. Official campaigning ended at 12am on Friday with no political activity allowed on Saturday ahead of Sunday’s first round of parliamentary elections. Le Pen’s party has led polling since President Emmanuel Macron called a surprise snap election. One poll, by Les Echos newspaper, suggested the National Rally (RN) could win as much as 37 per cent of the national vote – an increase of two per cent compared to last week. Macron’s centrist bloc Together party was seen reaching …