t ails , ▁and ▁Colomb ian ▁border ▁police ▁in ▁Colomb ian ▁territory ▁near ▁the ▁Sim ón ▁Bol í var ▁International ▁Bridge . ▁Venez uel an ▁National ▁Gu ards men ▁also ▁fired ▁live ▁am mun ition ▁against ▁protest ers ▁and ▁Colomb ian ▁polic emen . ▁ ▁The ▁Inter - American ▁Commission ▁on ▁Human ▁Rights ▁( I AC HR ) ▁asked ▁the ▁Venez uel an ▁Ar med ▁Forces ▁to ▁ab st ain ▁using ▁force ▁and ▁to ▁allow ▁free ▁trans it . ▁ ▁Gu a id ó ▁said ▁the ▁world ▁" had ▁' be en ▁able ▁to ▁see ▁with ▁their ▁own ▁eyes ' ▁how ▁Mad uro ▁had ▁viol ated ▁international ▁law . ▁' The ▁Gene va ▁protocol s ▁clearly ▁state ▁that ▁destroy ing ▁human itar ian ▁aid ▁is ▁a ▁crime ▁against ▁human ity ,' ▁he ▁said ." ▁Venez uel an ▁Vice ▁President ▁Del cy ▁Rodríguez ▁declared ▁that ▁" they ▁saw ▁only ▁a ▁little ▁piece ▁of ▁what ▁we ▁are ▁willing ▁to ▁do ", ▁and ▁Dios d ado ▁C abel lo ▁stated ▁" we ▁showed ▁the ▁tip ▁of ▁the ▁ice berg ". ▁ ▁Cont ro vers ies ▁ ▁The ▁cause ▁of ▁the ▁fire ▁that ▁consum ed ▁human itar ian ▁aid ▁on ▁ 2 3 ▁February ▁is ▁disput ed . ▁E y ew it ness es ▁accounts ▁attribute ▁the ▁source ▁of ▁the ▁fire ▁to ▁te ar ▁gas ▁can ister s ▁fired ▁by ▁the ▁Venez uel an ▁personnel . ▁Un pub lished ▁foot age ▁exam ined ▁by ▁The ▁New ▁York ▁Times ▁published ▁on ▁ 1 0 ▁March ▁suggested ▁that ▁the