An apparent drone strike started a fire at a fuel storage facility in the Crimean port city of Sevastopol on Saturday, the Moscow-installed governor there said.
The fire was still burning but it had been contained and no one was injured, Mikhail Razvozhaev said.
"The four fuel tanks that were hit, they are practically burnt out already," he said in a video posted on his Telegram channel.
Sevastopol, on the Crimean peninsula that Russia annexed from Ukraine in 2014, has come under repeated air attacks since Russia invaded the country as a whole in February 2022.
Russian officials have blamed the attacks on Ukraine.
A Ukrainian military intelligence official said more than 10 tanks of oil products with capacity of around 40,000 tonnes were destroyed, RBC Ukraine reported.
The official, Andriy Yusov, did not claim Ukraine was responsible for the explosion.
Israel and the United States are both determined to thwart Iran's nuclear ambitions and its "aggression" in the Middle East, Israeli Prime Minister Benjamin Netanyahu said on Sunday following a meeting with US Secretary of State Marco Rubio.
France said on Sunday it would host a summit of European leaders on Monday to discuss the Ukraine war and European security as the continent tries to respond concretely to US President Donald Trump's unilateral approach to the conflict.
An Israeli airstrike killed three policemen east of Rafah in the southern Gaza Strip on Sunday, the Hamas-run interior ministry said, calling it a breach of the fragile January 19 ceasefire.
At least 18 people died in a stampede at the main railway station in India's capital New Delhi on Saturday night, the chief minister of the capital territory told reporters early on Sunday.