Volunteers are grappling with environmental havoc across more than 35 miles of coastline, after at least 3,700 tons of heavy oil spilled into the Kerch Strait.

Volunteers helping to clean up a major oil spill along Russia's Black Sea coast appealed in a video released on Monday for President Vladimir Putin to urgently send federal aid, saying that they and local authorities were overwhelmed.

Russia’s top investigator Alexander Bastrykin has ordered law enforcement authorities to launch a criminal investigation into alleged “failures” in addressing the cleanup of a major oil spill along the Black Sea coast in southern Russia.

"President Putin said that he wants to meet with me as soon as possible," Trump said during his remarks at Turning Point's AmericaFest convention.

Ukraine has launched a devastating strike on a Russian oil refinery - the latest in a series of attacks on fuel depots and ammunition warehouses in the country

The Ukrainian military carried out a drone attack Saturday morning on the Russian metropolis of Kazan, as much as 1,000 kilometers from the border. More details have since emerged. According to the Russian Foreign Ministry,