Russia launched an overnight air attack against Ukraine on Sunday, sending missiles over other northern and central parts of the country, authorities said.
The Ukrainian military reported shooting down four cruise missiles of up to eight total airborne targets detected, adding that the rest of the targets were "probably false".
It also said there were no immediate reports of strikes.
The governor of Kyiv region, Ruslan Kravchenko, said two people had been wounded and 10 buildings damaged by falling missile debris in one unspecified area of the region.
"Thanks to the professional work of the air defense forces, there were no strikes on critical or residential infrastructure," he said in a statement.
All of Ukraine was under air raid alerts for about three hours early on Sunday before they were cleared at around 6:00 am (0300 GMT).
Russia has carried out a campaign of regular air strikes involving missiles and drones against Ukrainian centres far from the front line as part of its 18-month-old full-scale invasion.
US President Donald Trump and Iran threatened to escalate their war by attacking energy and desalination facilities in the Gulf, a potential widening of hostilities that could deepen a regional crisis and add to concerns in global markets.
An Israeli airstrike on a police vehicle on Sunday killed three people in the middle of the Nuseirat camp in the central Gaza Strip, health officials said, hours after another person was killed in a strike on northern Gaza.
The Strait of Hormuz remains open to all shipping except vessels linked to "Iran's enemies", Iran's representative to the UN maritime agency was quoted as saying in Iranian media reports published on Sunday.
The Gulf Cooperation Council (GCC) has renewed its condemnation of continued Iranian attacks on member states, including the targeting of infrastructure and oil facilities, in flagrant violation of international law and a direct threat to regional security, stability and the safety of global energy supplies.