The 450 soldiers of the 1st Battalion of the Irish Guards prepared to welcome the Duchess of Cambridge.
She will present the sprigs of shamrock to Officers to celebrate St Patrick's Day. Conmael, the Irish Wolf Hound regimental mascot will also receive his own sprig.
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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.