Hong Kong unrest runs serious risk of escalation

A general strike has brought public transport to a halt and disrupted flights; violent clashes with police continue

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Sudan’s revolution enters its most challenging phase

A power-sharing deal has been reached, but implementation challenges await

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Fresh US and Canadian sanctions appear so far to be having the opposite effect to that intended

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Heavy-handed police action against demonstrators is a break with the recent past

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A secret agreement on energy from the Itaipu hydroelectric plant has prompted resignations and impeachment calls

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A court challenge to the May presidential election result comes after months of domestic unrest

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The business sector has lobbied strongly, and successfully, for the controversial Tia Maria mining project to go ahead

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Several opposition politicians have been arrested in recent weeks

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The wave of increasingly violent protests in Hong Kong has drawn the attention of foreign governments

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Damning report findings by the state ombudswoman have put the president in a bind

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