ie ged ▁milit ants ▁city ▁of ▁De ir ▁ez - Z or . ▁The ▁cargo ▁par ach ute ▁attached ▁to ▁the ▁P - 7 ▁platform ▁was ▁par ach uted ▁in ▁from ▁a ▁height ▁of ▁ 4   km ▁in ▁the ▁government - control led ▁areas ▁of ▁De ir ▁ez ▁Z or ▁– ▁the ▁administrative ▁center ▁of ▁the ▁e pon ym ous ▁province ▁in ▁the ▁north - east ▁of ▁the ▁country . ▁The ▁total ▁human itar ian ▁aid ▁weight ▁dropped ▁on ▁par ach ute ▁more ▁than ▁ 5 0 ▁t onnes . ▁ ▁On ▁ 1 9 ▁September , ▁an ▁a irst rike ▁hit ▁a ▁UN - Red ▁C res cent ▁aid ▁con voy ▁in ▁re bel - h eld ▁U rum ▁al - K ub ra , ▁killing ▁at ▁least ▁ 1 4 ▁people ▁and ▁destroy ing ▁ 1 8 ▁tr uck loads ▁of ▁food , ▁according ▁to ▁the ▁International ▁Federation ▁of ▁Red ▁Cross ▁and ▁Red ▁C res cent ▁Soci eties . ▁The ▁vehicles ▁were ▁hit ▁by ▁around ▁five ▁miss iles ▁while ▁park ed ▁at ▁a ▁Red ▁C res cent ▁w are house ▁for ▁un loading . ▁Stephen ▁O ' B rien , ▁UN ▁Under - Secret ary - General ▁for ▁Human itar ian ▁Affairs ▁and ▁Emer gency ▁Rel ief ▁Co ordin ator , ▁said ▁that ▁if ▁the ▁target ing ▁was ▁deliber ate ▁it ▁would ▁be ▁a ▁war ▁crime . ▁L atter ▁the ▁UN ▁Commission ▁named ▁the ▁Sy rian ▁Air ▁Force ▁as ▁the ▁sole ▁perpet r ator ▁of ▁the ▁attack . ▁ ▁Mis