Carol singers raising money for a cancer charity in Trafalgar square were attacked by protesters during a night of disorder that saw 139 arrests.

Shops were attacked, passers-by threatened and car windows smashed during a demonstration in central London against the election result in the Democratic Republic of Congo.

http://www.telegraph.co.uk/news/uknews/crime/8949752/Charity-carol-concert-attacked-by-Congo-protesters.html