 Complete the following phrase:  In a 2017 episode of his show on the Italian TV channel Rai 2, Mika described that as a child he was scared of the London Underground, before becoming used to the noise and crowds as he grew up. Many years later, he was aboard a Tube train travelling to a recording studio when the train suddenly stopped. The lights went out, reminding him of his childhood fears. As lights came on again, passengers were told to leave the train. Outside there were police all around: it was 