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.
More top news
A story of two halves
Gina Miller, the woman who took the government to court over Brexit and won, tells ITV News of the abuse she has endured to get justice.
ITV News understands that former footballer Michael McIndoe has been interviewed by fraud detectives investigating an ‘investment scheme'.