''As is standard procedure on Crossrail following an incident - in this case a cable strike incident - Crossrail has suspended any activity which involves breaking ground such as piling or utility excavation until we are fully confident that it safe to proceed. Such suspensions usually last for several days''
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Ms Begum, now 19, left the UK in 2015 and was recently found in a Syrian refugee camp after living under IS rule for more than three years.
London Mayor Sadiq Khan said he believed "the right to peaceful and lawful protest must always be upheld".
Tafida Raqeeb's parents won a High Court battle when a judge ruled the youngster could be moved to the Gaslini children's hospital in Genoa.