Fresh oil started pouring from a stricken Russian tanker in the Black Sea on Friday, said officials in Moscow, as Ukraine warned of "terrible environmental consequences" from the spill.

An oil tanker that burned for weeks in the Red Sea after being attacked by Yemen's Houthi rebels and threatening a massive oil spill has been salvaged, a security firm said Friday. The Sounion had been a disaster-in-waiting in the waterway,

Emergency workers toiling to clean up an oil spill in the Black Sea have detected seven new slicks, a Russian official told the TASS state news agency on Friday, as authorities struggle to mitigate the effects of the nearly month-old disaster.

The Black Sea is home to different cetacean species — some endangered — and it was the site of an oil spill in the middle of December that killed 31 of them.

An animal rescue group said 61 dead cetaceans - an order of aquatic mammals that includes whales and dolphins - had been recorded since the oil spill.

Russian President Vladimir Putin said on Thursday that more needed to be done to clean up an oil spill in the Black Sea, saying efforts so far appeared to have been insufficient to deal with the ecological disaster.

Oil has begun leaking again from an oil tanker that ran aground at the Taman port in southern Russia’s Krasnodar region last month, regional authoritiessaid Friday. The Volgoneft-239 and Volgoneft-212 were carrying a combined 9,

The Black Sea has recently faced a devastating environmental disaster due to an oil spill from Russian tankers. Russian President Vladimir Putin acknowledged the situation and stated that current efforts to address the crisis are insufficient,