(Corrects second paragraph to show Russian prisoners of war) (Reuters) – Russia’s defence ministry said on Friday that Ukraine had executed more than 10 Russian prisoners of war with direct shots to the head. The defence ministry was responding to a video circulated on Russian social media which it said showed the execution of Russian prisoners of war. Reuters was unable to immediately verify either the video or the defence ministry’s claim. The defence ministry said the video showed “the deliberate and methodical murder of more than ten immobilised Russian serviceman by degenerate Ukrainian s…