At least four people were killed in a Russian attack, Ukraine said, amid concerns about air defenses after the U.S. said it was suspending military and intelligence aid.
The Ukrainian leader says he will travel to Saudi Arabia where talks on bringing a "lasting" peace will take place.
"During all this period, and last week, you stayed with us," the Ukrainian president tells European leaders in Brussels.
Russia's attack targeted a hotel in residential area, all emergency and municipal services sent to scene, says chief of Kryvyi Rih city's military administration - Anadolu Ajansı