Edward Snowden was allowed to leave Hong Kong despite an extradition request from the US because documents provided by the US government did not "fully comply with the legal requirements under Hong Kong law," the country's authorities told AP.
It said there was no legal basis to stop Snowden from leaving.
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Anne Marie Morris lost the whip in July after audio footage emerged of her using the racist phrase "the real n***** in the woodpile".
Investigations into two MPs on both sides of the House are set to conclude - and both are proving tricky for their party leaders.
A trade union representative said the strike would either disrupt flights or generate substantial costs for the airline.