The party's centrist leader, Pieter Omtzigt, said he couldn't accept “unconstitutional” policies.
The Netherlands' longtime ruling party says it won't join a new government following far-right's win
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Pieter Omtzigt, a former centrist Christian Democrat who built his own New Social Contract party in three months to take an estimated 20 seats, said he would always be open to talks.
Geert Wilders headed for massive win in Netherlands in shock for Europe
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