Here is some footage and articles on Barrel Bombs in Syria
Syria’s rescue workers calling on the United Nations to enforce its own ban on barrel bombs.
Coalition of activists document the impact of barrel bombs on civilians in Aleppo.
Barrel Bombs: Message from Zabadani.
Barrel Bombs: Message from Eastern Ghouta, Damascus.
Amnesty International Article on Syria’s “Circle of hell”: Barrel Bombs in Aleppo bring terror and bloodshed forcing civilians underground
NOTE: This article has links at bottom to other barrel bomb reports.