Search and rescue operations are ongoing at the sites of the strikes, the State Service for Emergencies said.
On Wednesday, Ukraine received the remains of 1,212 soldiers and handed over 27 dead bodies to Moscow in return.
UNICEF has expressed deep concern for the impact of the latest attacks on Ukrainian children.
Ukrainian Prime Minister Denys Shmyhal assured that the agreement would be beneficial to Ukrainians as critics.
The assault caused extensive damage to residential buildings and ignited fires in garages, non-residential structures and administrative buildings.
In his nightly address from Kyiv, Mr Zelensky said, “We continue to conduct active operations in the border areas on the enemy’s territory.
Mr Lavrov said the market for grain and fertiliser needed to be “predictable.”
A large proportion of the materials are located in Ukrainian territories currently occupied by Russia.
Ukrainian President Volodymyr Zelenskyy has stated that he is not willing to discuss peace, emphasising that time is not on Kyiv’s side.
The leaders were greeted at the train station by Andriy Yermak, head of the Ukrainian President’s Office, and Foreign Minister Andrii Sybiha.
