A Russian missile attack killed at least four people and damaged an educational facility in the city of Kryvyi Rih in southern-central Ukraine on Friday, the regional governor said.
At least five others were hurt, and three of them were in a serious condition in hospital, Serhiy Lysak, the governor of the Dnipropetrovsk region, said on Telegram.
Two five-storey buildings were damaged and one caught fire, he said.
Several explosions reverberated through the city, witnesses said on social media, after Ukraine's air force warned of the threat of a ballistic missile attack from Russia-occupied Crimea.
Russia, which began it's full-scale invasion of Ukraine almost three years ago, did not immediately comment on the reports from Kryvyi Rih, the hometown of Ukrainian President Volodymyr Zelenskiy.
Israeli Prime Minister Benjamin Netanyahu said the ceasefire in Gaza would end and the military would resume fighting Hamas until it was defeated if the Palestinian group did not release hostages by midday Saturday.
The United Nations said on Tuesday that one of its staff members had died in detention in northern Yemen, where the UN has repeatedly called for the Houthi movement to free detained UN employees.
Government offices, schools and workplaces fell silent in Sweden at midday on Tuesday in remembrance of the victims of a mass shooting at an adult education centre last week when a gunman killed 10 people before turning his weapon on himself.
UN Secretary-General Antonio Guterres urged Hamas to continue with the planned release of hostages on Tuesday, a day after the group announced its intention to halt the exchange.
US President Donald Trump substantially raised tariffs on steel and aluminum imports to a flat 25 per cent "without exceptions or exemptions" in a move to aid the struggling industries but which increases the risk of a multi-front trade war.