21st Century Wire
On September 19, someone attacked a convoy of trucks delivering aid to a rebel-held area of Aleppo. Anti-government activists were emphatic the helicopters [were] dropping barrel bombs, followed by fighter jet strikes, which also used cluster bombs and-or machine gunned the area, keeping rebel help at bay so more witnesses would bleed to death.
A video seems to be consistent with that (see below), but it’s really not clear at all. Images showed trucks damaged by small-scale shrapnel (and/or bullets?) and gutted by fire – analysis of imagery and reports is well underway at A Closer Look On Syria. We’re still far from a clear reading, but from minute one the US has been quite clear the activist version was about right. An unnamed official told the Washington Post: