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STOCKHOLM (Reuters) - Sweden’s parliament will vote on a new prime minister for a third time in mid-January, the speaker said on Friday, in an bid to end three months of political deadlock and avoid a snap election.

Parliament has already rejected Social Democrat leader Stefan Lofven and centre-right leader Ulf Kristersson as prime minister and the parliamentary speaker did not say which name he would put forward on Jan. 16.

“It is high time Sweden had a government,” Andreas Norlen told reporters.

GRAPHIC - Election scenarios: tmsnrt.rs/2p45tJh

The centre-left and centre-right blocs are equally balanced after September’s national election and the anti-immigration Sweden Democrats hold the balance of power.

But both blocs have ruled out a deal with the Sweden Democrats and all attempts to end the impasse have failed.

Norlen has two more attempts to pick a candidate for prime minister whom parliament can accept.

He said that if the third vote did not deliver a new prime minister, a fourth vote would be held on Jan. 23.

If that also fails, the earliest date a new election can be held is April 21.