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.
Russia's second city of St. Petersburg and the surrounding Leningrad region came under a large Ukrainian drone attack overnight on Saturday, with a local port and oil infrastructure struck, Russian and Ukrainian authorities said.
US President Donald Trump called on Americans to protect the freedoms the nation's founders envisioned 250 years ago against what he has portrayed as the "communist" threat posed by progressive Democrats, speaking on the eve of Independence Day at Mount Rushmore.
Ukraine still controls the strategically important eastern city of Kostiantynivka, President Volodymyr Zelenskyy and the General Staff said on Saturday, rejecting Russian claims that it has been captured.
After weeks of protests, fraud accusations and review of contested ballots in a razor-thin race, conservative Keiko Fujimori was officially declared the winner of Peru's presidential race by the country's electoral office on Friday.
Rescuers cleared the rubble in the Ukrainian capital Kyiv on Friday in a search for survivors, as flags were lowered to half mast to mark a day of mourning, a day after a Russian missile and drone attack killed at least 30 people.
A Ukrainian woman is the main suspect in a bomb attack that targeted a wealthy businessman in Monaco, officials said on Friday, adding that the suspect had fled to Germany and had likely not acted alone.
The World Health Organisation (WHO) announced on Thursday the launch of clinical trials for two potential treatments for the Ebola virus in the Democratic Republic of the Congo, with the first patient enrolled in the study.
India has issued notices to messaging platforms Telegram and Signal asking them to explain safeguards around features that allow users to post messages without revealing their phone numbers, a government source said.
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St. Petersburg region port, oil terminal hit in Ukrainian drone attack
Trump extols America, rails at communism in US 250th celebration
Zelenskyy denies Russian capture of key eastern city Kostiantynivka
Keiko Fujimori declared winner of Peru presidential race
Ukrainian rescuers clear rubble as Kyiv mourns 30 killed in Russian attack
Monaco blast suspect is a Ukrainian woman who fled to Germany
Clinical trials begin for two potential Ebola treatments
India issues notice to Telegram, Signal on concerns over usernames, source says
