Human Rights Watch said it was investigating the same rebel group that claims it has captured UN peacekeepers for executing captured Syrian soldiers earlier this week.
Peter Bouckaert of the human rights monitoring group said it was investigating the involvement of the "Martyrs of Yarmouk" brigade in a video showing the execution of detained Syrian soldiers posted on the Internet yesterday.
More top news
Nick Boles warned the PM it was "time to raise your game" and claimed her government "constantly disappoints" in a tweet.
The Foreign Office warned holidaymakers that "intensive law enforcement activities" were expected in Montego Bay.
The man who sold himself to the American people as the greatest deal maker in history is now overseeing paralysis.