The pilot and a British passenger jumped to safety when the fire erupted, which affected the balance of the balloon, sending more heat into its "envelope" and causing it to climb rapidly, he said.

BBC: Egypt balloon crash: Two Britons and UK resident die

Marcelo Elizondo, head of the UCES business school in Buenos Aires, says the interventions have affected the trade balance only slightly.

ECONOMIST: Protectionism in Argentina

For one thing, the American economy and balance of trade will be adversely affected.

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