The United States military has released footage it says is of an unsafe intercept of a US drone by a Russian jet over the Black Sea. The US on Tuesday alleged that a Russian Su-27 fighter jet collided with one of its Reaper surveillance drones in international airspace, forcing it to crash into the sea. Russia denied it deliberately brought the unmanned aerial vehicle down. VIDEO: Two #Russian Su-27s conducted an unsafe & unprofessional intercept w/a @usairforce intelligence, surveillance & reconnaissance unmanned MQ-9 operating w/i international airspace over the #BlackSea March 14. https://t.co/gMbKYNtIeQ The declassified 42-second footage released by the US European Command shows the Su-27 fighter jet approaching the back of the MQ-9 drone, the Pentagon said.