Violent protests took place in Athens today as German Chancellor Angela Merkel - who is a widely disliked figure within the country - arrived in Greece.
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The 1987 pact helps protect the security of the US and its allies in Europe and the Far East.
Afghanistan's first parliamentary elections in eight years have been marred by violence, with attacks leaving at least 36 people dead.
More than a thousand people have protested against fracking in Lancashire after minor earthquakes happened at the Preston New Road site.