Travellers who were evicted from a south west London park have left behind "huge quantities" of construction waste, Wandsworth council say.
Officials have branded the mess "an absolute disgrace" after builders' rubble, wood and other materials were dumped on Tooting Common.
The group arrived in a fleet of 19 cars and caravans on Tuesday but left yesterday after the council told them they would face legal action if they remained.
The clean-up operation is expected to cost thousands of pounds.
More top news
The plaque at number 16 Cowley Street in Westminster marks the brown brick Georgian townhouse where Sir John lived for 31 years.
A man reportedly armed with several knives has been arrested in Whitehall on suspicion of planning a terror attack, police have said.
Metropolitan Police officer, Tom Harrison, has been crawling the course since the race began on Sunday morning.