A think tank has said that high rise housing blocks should be bulldozed and replaced with houses in a bid to tackle social problems and "no go" areas. A Policy Exchange report said there was evidence that multi storey flats attracted higher crime rates.
Here are some of your views from today's Facebook discussion.
More top news
The president of the respected Royal Institute of British Architects became the latest high profile figure to enter the row.
The victim, thought to be in his 40s, was attacked in Bromley at around 11:30am. His condition is still unknown.
The eagle-eyed resident spotted the mistake on signs just feet apart in south London.