Gaza faces a humanitarian "catastrophe" if Israel continues to prevent aid reaching the territory by blocking crossing points, the head of the main UN aid agency for the Palestinians said on Friday. Karen AbuZayd, commissioner-general of UNRWA, said the human toll of this month's sealing of Gaza's goods crossings was the gravest since the early days of a Palestinian uprising eight years ago. "It's been closed for so much longer than ever before... and we have nothing in our warehouses... It will be a catastrophe if this persists, a disaster." [Read the full article]