It is worth mentioning, as Standard & Poor's revises the UK's outlook to negative, that in the G7 only three countries - the UK, Canada and Germany - still have a AAA rating from all three main agencies.
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According to local reports, the repairman had failed to disconnect the power to the escalator before getting to work.
Millwall fans who caused problems at the match against Barnsley could face lifetime bans, the club said.
Counter-terrorism forces, backed by Shi'ite militias on the ground and coalition airstrikes, are moving into the city on several fronts.