Ukraine said on Monday Russia was to blame for a major oil spill in the Kerch Strait that leads into the Black Sea, accusing Moscow of breaking navigation safety rules by using old tankers and keeping two vessels at sea during a storm.A Russian oil tanker split apart during a storm on Sunday, while another one ended up in distress in the strait that separates Russia from the Crimean Peninsula that Moscow's troops seized and annexed from Ukraine in 2014.Russia did not say how much fuel was leaked but its state news agency TASS reported the two vessels had been carrying 9,200 metric tons of oil products."The Russians have a rather complicated situation... in the Azov and the Black Sea region.
