Smoke rose over the Ukrainian city of Sumy on Monday after it was hit by a Russian drone strike.
It happened a day after at least 35 people celebrating Palm Sunday were killed when Russian missiles struck the heart of the city.
It was the second large-scale Russian attack to claim civilian lives in just over a week.
The two ballistic missiles hit an area housing a number of religious buildings, an Emergency Services official said on Monday.
Meanwhile, people arrived to lay flowers by a makeshift memorials to commemorate the dead.