Three of the four parties in the Dutch coalition government do not rule out sending Dutch troops to take part in a peacekeeping mission in Ukraine, it emerged at Tuesday’s debate on the crisis.

However, PVV leader Geert Wilders has again said he does not support sending soldiers, although he told MPs that he did not rule out backing some form of Dutch involvement at a later date.

Dutch MPs held an emergency debate on calls to send troops to Ukraine as part of a peacekeeping mission on Tuesday afternoon, with VVD leader Dilan Yesilgöz saying that the decision did not need to be unanimous.

She had been asked by D66 leader Rob Jetten if the PVV, the biggest party in parliament and the coalition government, could be ignored.

However, Frans Timmermans, leader of the biggest opposition party GroenLinks-PvdA, said the coalition had to be united about military support. He also said that his party would not support the coalition parties’ policy towards Ukraine unless it is unanimous.

This, he said, is important to win other countries’ trust and understanding of the Dutch position.

Follow the AD’s live blog of the debate

A majority of MPs earlier voted in favour of a VVD and D66 motion, calling for a “constructive approach” to the crisis.

Meanwhile, more details are emerging about the talks between Russia and the US in Saudi Arabia earlier in the day.

Russian foreign minister Sergei Lavrov said after the meeting that his country will not accept peacekeeping forces from NATO countries in Ukraine under any peace deal. “Any appearance by armed forces under some other flag does not change anything. It is, of course, completely unacceptable,” he said.

Ukraine was not invited to the meeting.

US Secretary of State Marc Rubio said the meeting was the first step in a “long and difficult journey,” adding that Ukraine and the European Union would be involved at some point.

According to news agency Reuters, France is planning to organise a second meeting of EU countries to discuss the crisis, this time with leaders who were not invited to Monday’s session in Paris.