More than 300 volunteers took to the streets of London to clean up the remains of vehicles destroyed in riots in the north following three nights of unrest.
About 16,000 police will be out patrolling the streets to prevent a fourth night of unrest, which has spread to Manchester, northern England's biggest city. Rioters in Manchester reportedly set fire to a property in Salford, west of the center, and a clothing retail store in the main shopping area, Greater Manchester Police said.
A total of 685 people have been arrested in London since Aug. 8, when the unrest began in the gritty neighborhood of Tottenham, where a local black man, Mark Duggan, 29, was fatally shot by police who stopped his car with the intention of making an arrest. The violence resulted in looting and the burning of police cars and businesses.
Part of a group of about 300 volunteers hold hands during a group prayer before clearing the remains of destroyed vehicles in Hackney, north London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights
REUTERS/Chris Helgren
A police officers stands near a burnt out shop in Clapham Junction, in south London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Stefan Wermuth
Pedestrians are reflected in the broken window of a coffee shop in Ealing in west London August 9, 2011. Prime Minister David Cameron will today hold crisis talks after three nights of riots, looting and arson by masked, hooded youths that wrecked shopping centres in many parts of London and spread to other cities
REUTERS/Toby Melville
Fire fighters continue to tackle a fire at the Sony Centre in Enfield, north London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Chris Helgren
A council worker removes a destroyed vehicle, spray painted with the slogan "Welcome to Hackney" in Hackney, north London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Chris Helgren
A man looks at his mobile phone as he cycles past two burned out cars in the Toxteth area of Liverpool, northern England August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London, and other parts of the country.
REUTERS/Phil Noble
Smoke billows from the Sony Centre in Enfield, north London August 9, 2011. .
REUTERS/Chris Helgren
Police officers stand near a burnt out shop in Clapham Junction, in south London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Stefan Wermuth
A man clears up in a supermarket in Ealing in west London August 9, 2011.
REUTERS/Toby Melville
Part of a group of about 300 volunteers help clear the remains of destroyed vehicles in Hackney, north London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Chris Helgren
Council workers clear the remains of destroyed vehicles in Hackney, north London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Chris Helgren
A council worker clears the remains of destroyed vehicles in Hackney, north London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights
REUTERS/Chris Helgren
A street cleaner sweeps up around a smouldering van set alight during riots in Hackney in London August 9, 2011. Prime Minister David Cameron was to hold crisis talks on Tuesday after three nights of riots, looting and arson by masked, hooded youths that wrecked shopping centres in many parts of London and spread to three other cities.
REUTERS/Luke MacGregor
A volunteer writes on a shirt before helping to clear up in Clapham Junction, in south London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Stefan Wermuth
A woman poses for a photograph as volunteers wait to clear-up after overnight disturbances in Clapham Junction, in south London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights
REUTERS/Stefan Wermuth
Volunteers wait clear-up after overnight disturbances in Clapham Junction, in south London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Stefan Wermuth
Volunteers wait clear-up after overnight disturbances in Clapham Junction, in south London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights.
REUTERS/Stefan Wermuth