Burst watermain apparently, closed north of stockwell but irritatingly there are no signs until it’s already too late to continue straight on to vauxall so you get caught all the lights twice looping back around.
And you thought flooding only happens in the country… http://www.bbc.co.uk/news/uk-england-london-26380546
Blimey, that would have been a rude awakening for people in the basement flats along there.