A London Fire Brigade spokesman said of the Apollo collapse:
"If the same incident were to happen after the closures we would still have the resources to attend in good time and meet attendance targets."
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The British Transport Police have released CCTV images of two men they would like to speak to regarding the incident.
Murdered teen model Sally Anne Bowman would "still be alive" if it hadn't been for Spanish police, according to a man wrongly jailed.
Black Friday could kick off the biggest ever weekend of shopping in the UK with bargain hunters predicted to spend almost £8 billion.