Argentina's President Cristina FernandezIt was an odd moment to pick a diplomatic tussle, with attention focusing on Buenos Aires as it prepares to host the International Olympic Committee’s congress that begins on Wednesday.

But Argentina’s pugnacious president, Cristina Fernández, seemed unable to resist a jab at her counterpart across the Chilean border, Sebastián Piñera, as the local subsidiary of Lan Airlines, which he used to run, defends its interests in Argentina. Read more

Argentina’s import restrictions are a headache for many companies. Now it appears that Lan, the Chilean airline that has recently merged with Brazil’s Tam is having trouble importing a new aeroplane from its South American neighbour. The upshot? Lan is talking about having to cut services on certain routes out of Buenos Aires city airport as a result. Read more