"This is a fascist implementation. We cannot take part in an anti-democratic, unfair election," Selahattin Demirtas, the head of the Peace and Democracy Party (BDP), told to news channel NTV.

Demirtas said they would discuss all alternatives including their withdrawal of all candidates from elections, Anatolia news agency reported.

Demirtas slammed the veto decision naming it "a state plot" and called the parliament to gather and postpone the elections, NTV said.

The BDP decided to run with independent candidates in the general elections on June 12, to overcome the 10 percent threshold. The vetoed candidates include veteran Kurdish politicians Leyla Zana and Hatip Dicle.

The High Election Board (YSK) cancelled the candidacy of 12 independent bidders, as saying they had former convictions preventing them to run for the parliament.

The BDP declared its support for 61 independent candidates and was expecting to have 35 of them in the parliament.