"We understand that a foot of concrete burst into the control room having been poured into an escalator void.
We await further information but what we do know is that LU technicians are on site now working flat out to clear up the mess and get services back on line, proving once again that its directly employed public sector staff who are needed to deal with this kind of emergency, making a nonsense of Boris Johnson's tube staff cuts plans."
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Charaf Elmoudden went to the singer's four-bedroom house in north-west London last year and made off with goods worth more than £200,000.
The plea has been postponed in case where man is accused of dismembering a police officer he met on gay dating website Grindr.