Venezuelans send out SOS signal from Colombian border

A member of Venezuela's National Guard patrols at Tienditas international bridge in Urena, Venezuela, in the border with Colombia, backdropped by containers placed by Venezuelan military forces to stop humanitarian aid from coming in. AFP PHOTO

UREÑA, Venezuela: Desperate doctors and nurses are protesting at Venezuela's border with Colombia, demanding that President Nicolas Maduro allows in humanitarian aid that remains tantalisingly out of reach.