Opposition activists have posted a video purporting to show at least 51 muddied male bodies alongside a river bank in the rebel-held Bustan al-Qasr neighbourhood of Aleppo.
The video, which is too graphic to post, follows a man walking along a river bank past dozens of male bodies with their hands tied and blood coming from their heads.
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A Red Arrows aircraft has crashed at RAF Valley, it is understood there were two people on board the jet.
Peter Pickering - who became known as the Beast of Wombwell - has been found guilty of abducting and raping a woman forty-six years ago.