ThousandsofVenezuelanshaverushedtobordercrossingswithColombiaafterColombianPresidentJuanManuelSantosannouncedatighteningofcontrols.Onlythosewhohaveregisteredfor
Venezuelans lined up to deposit 100-unit banknotes before they turned worthless, but replacement bills had yet to arrive, increasing the cash chaos in the country with the world's highest inflation.
Demands for refugee status by Venezuelans crossing the land border with Brazil in the northern state of Roraima have been surging in the last two years.