(Reuters) – Four separatist parties in Spain’s Catalonia looked set to win a majority in regional elections on Sunday, partial results showed, but the main one was on course to lose some seats, possibly undermining its bid to call an independence referendum.

With half of votes counted, the ruling Convergence and Union alliance, or CiU, was winning 48 seats in the 135-seat local parliament, well down from its current 62 seats.

The separatist Republican Left, or ERC, was winning 20 seats, with two other smaller separatist parties taking a total of 16 seats, giving the four parties 60 percent between them.

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