No one was injured in the small explosion at High Holborn which happened during construction work to a building.
London Fire Brigade has confirmed to ITV News that smoke is coming from electrical cables beneath the pavement at High Holborn.
A40 High Holborn (one-way) remains shut btwn New Oxford St and Drury Lane due to an incident. Tbks to Holborn Circus and to Waterloo Bridge.
UPDATE: Routes 1 8 25 98 171 242 serving High Holborn, WC1 remain subject to delay/diversion due to a Police incident.
Workers in High Holborn say they are being told to stay in their offices this lunchtime after reports of an electrical explosion.
Police have cordoned off high Holborn due to electrical explosion. Trapped in the office again!
High Holborn this lunchtime, rumor is an electrical junction exploded. http://t.co/12xweWAEm0
Police say they are growing increasingly concerned for a 15-year-old girl from Bexley who has not been seen since Friday 4 October. 15-year-old Melissa Attard was last seen shortly before 5pm in the High Holborn area.
Melissa is approximately 5' 4" tall and of medium build. She has brown eyes and long dark brown hair. She was last seen wearing a black jacket with fur around the collar, dark leggings and black boots. She is known to visit the Plumsted, Brixton, Croydon, Charlton and Lewisham areas.
Anyone with information should call on Melissa's whereabouts is asked to call Bexley Police's Missing Persons Unit on 101.
Police are trying to find a 15-year-old girl who hasn't been seen since Friday in central London.
Melissa Attard who lives in Bexley, was last seen at 4:50pm in High Holborn. She is 5' 4" tall and of medium build. She has brown eyes and long dark brown hair which is dyed blue underneath.
Anyone with any information should call Bexley Police's Missing Persons Unit on 101 or Missing People on 116 000.
Simon Harris reports from Holborn station:
Following the announcement that seven government departments have provisionally agreed to reduce their budgets by up to 10%, underground and business leaders are urging the Chancellor not cut funding for major tube projects.
They say schemes like the planned £250 million makeover of Holborn station are vital.
Holborn serves the 'midtown' business district but is closed several times during rush hour because it can't cope with its 100,000 passengers a day.
It is the largest construction project in Europe, but after a worker was badly burnt on a Crossrail site yesterday, serious questions are being raised about health and safety.
Barry Mcgreham is in a specialist burns unit, after he was injured yesterday when cables were cut through on a Central London site.Now the London Assembly says it's becoming 'concerned' at the 'frequency' of Crossrail accidents. Our Political Correspondent Simon Harris reports