The Ukrainian army is reported to be running out of ammunition as it engages in intense artillery battles with Russian forces.
Mykolaiv's regional governor Vitaly Kim is urging Western allies to speed up the delivery of long range weapons and ammunition.
Meanwhile, the family of one of the British men sentenced to death in eastern Ukraine say they're "devastated" at what they've called an "illegal show-trial".
Shaun Pinner's loved ones have asked for his safe release "urgently".
He and Aiden Aslin were convicted of being mercenaries by pro-Kremlin separatists.
