Boris Johnson joined around 10 apprentices this morning for a lesson in concrete spraying.
With Crossrail and many other large-scale tunnelling projects in the pipeline the demand for skilled tunnelling and underground workers in the UK and Europe is unprecedented.
The Tunneling and Underground Construction Academy (TUCA) was established in 2011 by Crossrail, to address a shortage of people with the necessary skills to work underground on the transport scheme and on other planned infrastructure projects
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The unlicensed events unfolded on Saturday night at Clapham Common and Tooting Bec Common.
A 37 year old man who was taken to hospital after getting into difficulty in a stretch of water near Maidenhead has died.
Jonty Bravery, who is mentally ill, has been jailed for 15 years after throwing a six year old boy from the Tate modern balcony.