Ukraine war: Three killed after blasts in Volyn and Lviv
Ukrainian officials have blamed Russia for air strikes near the country's border with Poland.
1970-01-01 08:00
Why are tensions mounting on the Belarus-Poland border?
Poland is sending extra troops to its border with Belarus after an alleged military incursion.
1970-01-01 08:00
Nato summit: Ukraine's future membership to be discussed by leaders in Vilnius
But the meeting in Lithuania will see disagreement over Ukraine's ambition to join the military bloc.
1970-01-01 08:00
Nato membership for Ukraine a key question at Vilnius summit
Nato is split over inviting Ukraine to join the alliance. Ukraine fears what happens if they don't.
1970-01-01 08:00