Latest: Separatists vow to defy police ultimatum over Catalonia vote

Latest: Catalonian separatists have vowed to ignore a police ultimatum to leave the school polling stations they are occupying ahead of a disputed referendum on the region's independence from Spain.

Update 7.53pm: Catalonian separatists have vowed to ignore a police ultimatum to leave the school polling stations they are occupying ahead of a disputed referendum on the region's independence from Spain.

The police deadline of 6am on Sunday for the activists, parents and children in the Catalan schools is designed to prevent the vote from taking place, since the polls are supposed to open three hours later.