Poland’s opposition hopes huge rally in Warsaw will swing election

Donald Tusk says his march of a million hearts' is the last chance to save democracy in the country

Poland's largest opposition coalition hopes to fill the streets of Warsaw with its supporters on Sunday, two weeks before a parliamentary election that polls suggest is too close to call.

Donald Tusk, the former European Council president who leads the main opposition coalition, has called on supporters to rally in central Warsaw at midday, in what he has dubbed the march of a million hearts", intended as a show of strength before the vote on 15 October.