Russian forces carried out new air strikes overnight on targets in eastern, southern and northern Ukraine, Kyiv's military said on Thursday.
There were no immediate reports of casualties.
The air force said 17 different weapons, including ballistic and cruise missiles and attack drones, had been used to strike industrial, infrastructure, civilian and military objects.
Ukrainian forces shot down three drones and one cruise missile, it said.
Russia has carried out frequent air strikes since launching its full-scale invasion of Ukraine in February 2022, including hitting population centres far behind front lines.
Moscow denies deliberately targeting civilians. It did not immediately comment on the latest reported air strikes.
Ukraine began a counteroffensive in the south and east in early June but has made only gradual progress against vast Russian minefields and heavily entrenched Russian forces.
President Donald Trump has announced on Thursday that the US and Iran could sign a peace deal as soon as this weekend that would reopen the Strait of Hormuz to shipping, but Iran countered that it had not reached a final decision on an agreement.
Two people have been killed and another 10 injured in a Ukraine attack on Russia's border region of Bryansk, Acting Regional Governor Yegor Kovalchuk said in a Telegram post late on Thursday.
US President Donald Trump called off plans for renewed military strikes on Iran at the last minute on Thursday, saying negotiations with Tehran had advanced to the highest levels of Iran's leadership and had been approved by a broad coalition of regional powers.
British defence minister John Healey has quit on Thursday over a months-long dispute over military spending, accusing Prime Minister Keir Starmer of failing to commit the resources that are needed to keep the country safe from mounting threats.
A US jet fired two missiles into the engine room of the tanker Jalveer off Oman on Thursday, US Central Command confirmed, as authorities said the 20 crew members were safe after the third strike on Indian-crewed tankers this week.
British defence minister John Healey quit on Thursday in a dispute over military spending, accusing Prime Minister Keir Starmer of failing to commit the government resources that are needed to defend the country at a time of heightened threat.
A false alarm at the Pentagon following an air quality warning briefly triggered a partial shelter-in-place order on Wednesday at the US military's headquarters, as first responders worked to rule out exposure to hazardous materials, officials said.
The United States will hit Iran "very hard tonight" and will soon take control of the Middle Eastern country's oil and gas infrastructure and markets, US President Donald Trump said on Thursday.
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Iran says no final decision made on deal
Two killed, 10 injured in Ukraine attack on Russia's border Bryansk region
Trump cancels US strikes on Iran, citing progress in talks
UK defence minister quits, says Starmer not spending enough to keep country safe
US confirms third strike on Indian-crewed tankers this week
UK defence minister Healey quits, says PM Starmer's plans fail to keep country safe
False alarm at the Pentagon triggers brief shelter-in-place order
Trump says US will hit Iran 'very hard', take control of energy infrastructure
