This file photo taken on December 1, 2014 shows destroyed buildings in the eastern Ukrainian city of Donetsk. The UN's top court will on April 19 rule on a bid by Kiev to halt Russia's alleged funnelling of arms and personnel into Ukraine's war-torn east
What you need to know:
Judges at the Hague-based International Court of Justice will hand down a ruling at 1300 GMT on Ukraine's request for emergency measures, which it says will help bring stability to its volatile east.
Kiev is also calling on the court to order Moscow to halt what it calls "racial discrimination" against minority groups in the Russian-occupied Crimea peninsula, particularly against its Tatar population.