A group of demonstrators have staged a climate change protest at Heathrow Airport.
On Saturday morning, about 30 protesters moved closer to each other and sat down in the centre of the Oxford Circus junction as police threatened more arrests.
Extinction Rebellion organiser Robin Ellis-Cockroft boasted: "We said we'd disrupt Heathrow and we've disrupted Heathrow".
"We expect our officers to engage with protesters but clearly their actions fall short of the tone of the policing operation at a time when people are frustrated at the actions of the protesters".
The protesters do not resist to arrests and a lot of them are released in a few hours after giving statements at police stations.
Home Secretary Sajid Javid has urged police to use the "full force of the law" to deal with illegal XR demonstrations as they enter a fifth day.
Extinction Rebellion spokesperson Simon Oosterman said there were New Zealanders who felt the environment was in such a crisis, that they would take any non-violent action necessary.
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The area was finally cleared shortly after 5pm when the police unglued the final protestor.
"We are determined to keep the airport operating", he said.
The Metropolitan Police has arrested more than 680 Extinction Rebellion climate change protestors since Monday.
It has vowed to escalate its campaign, which has included sit-ins at landmarks and busy roads across the capital of England, if the government fails to declare a climate and ecological emergency.
So far, the protests are estimated to have cost more than 12 million pounds to businesses in London's West End, with some seeing a 25 per cent drop in sales.
"Protesters can expect a robust police response", Assistant Commissioner Nick Ephgrave said.
The pace of reduction in emissions called for by Extinction Rebellion is far faster than that urged by the United Nations' Intergovernmental Panel on Climate Change, which previous year recommended they be cut to zero on a global basis by 2050.
Britain's climate targets: Britain has lowered net emissions by 42% percent since 1990 and is planning to slash emissions by 80% by 2050.