The U.N. says it has temporarily suspended all convoys in Syria after an airstrike on aid trucks killed 20 people.
The attack came just hours after Syria's military declared an end to a weeklong ceasefire negotiated by the U.S. and Russia. Aid groups were able to deliver food rations to some regions during the cease fire, but others had no luck reaching one of the cities most in need, Aleppo.
Here & Now's Jeremy Hobson speaks with Dominic Graham, the Syria response director from Mercy Corps.
This segment aired on September 20, 2016.