At least 1,800 litter pickers will scour the grounds for rubbish.
Police are searching for a 40-year-old man who has been missing since Sunday.
A Bromley man with a cannula stuck in his arm is missing from a Croydon hospital.
:: Anna Turley's resignation letter in full:
As it happened: all the action from Anthony Joshua's world title fight at The O2 EU referendum results and reactions for SE London and north Kent - how did your borough vote? Former Queen Elizabeth Hospital gynaecologist guilty of series of sex…
A Sidcup A-road has been closed both ways after parts of a road collapsed.
An early cloudy start is expected to clear up and develop into sunny spells later on today.
A tree has fallen across a road in Orpington forcing drivers and bus users to find alternative routes.
Lionel Messi has retired from international football after missing a penalty as Argentina lost a shoot-out to Chile in the Copa America final.