Main roads in Holborn are closed more than 24 hours after fire broke out . More than 100 buildings remain without electricity as a result of the blaze . Local businesses , government offices and tourist attractions are closed . drivers have been warned to avoid the blaze as witnesses describe long stretches of buses .
Main roads in Holborn are closed more than 24 hours after fire broke out . More than 1,000 buildings remain without power as a result of the blaze . Local businesses , government offices and tourist attractions are closed . Commuters have been warned to avoid the area as witnesses describe long queues of buses .