Environmental activists said on Monday that the fire, near the site of the world's worst nuclear disaster in 1986 and believed to have been started deliberately, posed a radiation risk.
Video footage shot by Reuters on Sunday showed plumes of black smoke billowing into the sky and trees still ablaze, with firefighters in helicopters trying to put out the fires.
The emergency service said it was still fighting the fires but the situation was "fully under control".
Visions of regime change in China and Iran due to Covid-19 represent a strain of Western callousness.
Both the looks and the temperature were red-hot Sunday on the Emmys red carpet, where Hollywood's top stars battled the heat and humidity to bring their fashion A-game.
US-Russia missile sabre-rattling in the Arctic sends threatening political messages but the bigger threat is its lasting environmental damage.
Russian state nuclear company Rosatom says the plant is safe and can serve as a new power source for the planet's most isolated communities, but environmentalists have voiced concerns over the risk of nuclear accidents.
A group of Chernobyl miners are hoping the renewed international attention from an HBO miniseries means their sacrifice won't be forgotten.
A Chernobyl tour agency reported a 40 percent rise in trip bookings since the Chernobyl mini series made by HBO, began in May.
In the early hours of April 26, 1986, a botched test at the Chernobyl nuclear plant in former Soviet Ukraine triggered a meltdown, ultimately killing and displacing thousands.
No tsunami warning has been issued.
Ukraine marks 30 years since the world's worst nuclear accident that killed thousands in Chernobyl.
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