(110809) -- LONDON, Aug. 9, 2011 () -- A police officer is seen near a burnt building in Croydon, south London, Britain, Aug. 9, 2011. British authorities have largely reinforced the police force on London streets following the riots happening three consecutive nights from Saturday. Some 16,000 police officers, five times the usual number, will be on duty on London streets for three days. (/Zeng Yi)(wjd) fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

A burnt-out car is taken away by Hackney Council on Clarence Road in Hackney, east London, as local residents look on following yesterday's rioting which engulfed this and many other areas across London as well in several other major English cities. Photo date: Tuesday August 9, 2011. The riots began in Tottenham on Saturday night and there have been major disturbances and widespread looting for three consecutive nights now and which last night spread to Birmingham, Liverpool, Bristol and Nottingham as well as across the capital. Photo credit: Johnny Green fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in West Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867 fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; A burnt out bus in Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; A burnt out bus in Croydon fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867 fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867 fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867 fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867 fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867 fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; West Croydon firemen dampen down after a night of rioting fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867 fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867 fot. Photoshot/REPORTER

clarence rd e5 burnt out car with 'welcome to hackney ' daubed on bonnet by vandals the owner saw their car alight on TV Clean up operation around Mare St saw local residents amass at the Hackney Town Hall to express their disgust at damage , praise the council clear up and travel to Clarence Rd close by to assist with clear up after damage caused previous night fot. Photoshot/REPORTER

(110809) -- LONDON, Aug. 9, 2011 () -- A man passes a burned out vehicle in Peckham, suburb of London, UK, early August 9, 2011. British Prime Minister David Cameron on Tuesday vowed to do "whatever is necessary" to restore order to the streets of Britain troubled by rioting for more than three days. (/C Cube/An Guangxi) (ww) fot. Photoshot/REPORTER

Shops in Hatton Garden, Farringdon, Central London, close early on Tuesday afternoon in a pre-emptive measure against any potential looting fot. Photoshot/REPORTER

Shops in Hatton Garden, Farringdon, Central London, close early on Tuesday afternoon in a pre-emptive measure against any potential looting fot. Photoshot/REPORTER

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867

Rioting has spread across London with cars and buildings set alight on a third night of unrest, with trouble flaring up in other English cities. Photo Shows; The aftermath of the fire in Croydon in South London which was Reeves furniture store and dated back to 1867