A rendition of Amazing Grace was sung in Hartford Connecticut, as the state remembered the 26 children and teaching staff killed in the Sandy Hook school massacre - one week on.
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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.