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.
Fugitive jeweller Mehul Choksi has been arrested in Belgium and will file an appeal for release, his lawyer said on Monday, seven years after details of his involvement in one of India's biggest bank frauds became public.
Peruvian writer Mario Vargas Llosa, who enchanted readers with his intellectual rigour and lyrical prose for five decades and nearly became president of his country, died on Sunday aged 89.
Two Russian ballistic missiles slammed into the heart of the northern Ukrainian city of Sumy on Sunday, killing 34 people and wounding 117 in the deadliest strike on Ukraine this year, officials said.