Turkey is currently blocking Sweden and Finland's path towards NATO membership.

Turkey requires security guarantees from Sweden to approve a membership and has previously presented a list of requirements. 

Finnish Prime Minister Sanna Marin believes it is important that the situation is resolved before the NATO summit in Madrid on 29-30 June. 

- There is momentum now so it is important that we move forward in the process.

If we do not solve the problems before the meeting in Madrid, there is a risk that the situation will be frozen for a while, she said at a press conference on Tuesday together with Swedish Prime Minister Magdalena Andersson and Norwegian Prime Minister Jonas Gahr Støre.

- I would like to emphasize that before we (Sweden and Finland, editor's note) sent in our applications, Turkey said that we were welcome, so they have made a complete U-turn after our applications.

We take the problems seriously and have a dialogue, but it is also Turkey's responsibility to find a solution in this situation.

Magdalena Andersson: Intensive work

Swedish Prime Minister Magdalena Andersson (S) said at the same press conference that intensive work is underway in the NATO process. 

- We do it together with Finland and of course NATO.

We look forward to continuing the dialogue with Turkey until this problem is resolved, Andersson said.

No schedule

On Monday, NATO Secretary General Jens Stoltenberg could not provide a timetable for how work on Sweden's and Finland's applications will proceed.

He also said that Turkey had "legitimate concerns" about terrorism and other issues that needed to be taken seriously.

Turkey has accused Finland and Sweden of supporting Kurdish militants and the PKK, and Turkey is demanding that the Nordic countries change their policies in order to support the countries' application.

- The goal is to solve it as soon as possible, Stoltenberg said on Monday.