city of aleppo. severely of the principal supporters on both sidings, including president of turkey, which backs the rebels, and russia and iran, which backs bashar al assad. not involved in this -- might be key -- isis and the al qaeda affiliate in syria and could cause problems. >> the u.s. was not involved in the deal at all? not involved in this del at all. the administration of barack bak obama not part of this. the united states has been very active backing the rebels which are part of the deal, also been involved in u.n. backed peace talks in geneva and elsewhere for the past several years. russia has managed to push u.s. out of the picture for the