Key facts
- Poland's Prime Minister Donald Tusk stated the coming months could be critical.
- Tusk cited reports of planned Russian provocations against Poland.
- Warsaw is preparing for various scenarios.
- Concerns are particularly high in the Baltic states.
- Ukraine's Foreign Minister Andrii Sybiha proposed "anti-crisis steps".
- These steps aim to ease strained relations with Poland.
- The strained relations stem from historical disputes over World War II.
- Proposals include consultations between foreign ministries.
