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.
Saudi Arabia informed Iran's military attache, his assistant and three members of the embassy staff that they must leave the kingdom within 24 hours after being declared persona non grata, the Saudi foreign ministry said on Saturday, citing what it described as continued Iranian attacks on Saudi territory.
President Donald Trump said the US was considering "winding down" its military operation against Iran, as Iran and Israel traded attacks on Saturday and Iranian media said the nuclear enrichment facility in Natanz had been attacked.
Ukrainian and US negotiators trying to move towards a settlement of the four-year war pitting Kyiv against Moscow opened their latest round of talks in Florida on Saturday, with more discussions planned through the weekend.
Robert Mueller, the no-nonsense former FBI chief who documented Russia's interference in the 2016 US election and its contacts with Donald Trump's campaign but opted not to bring criminal charges against a sitting president, has died at age 81.