Environmental protesters who have blocked London's roads and bridges for more than three days have said they plan to take their campaign to Heathrow Airport at the start of the Easter holiday weekend.
The Extinction Rebellion group said it would mount a protest at the airport on Friday. The group vowed to escalate its campaign of disruption if the British government doesn't step up action against climate change.
The Met urged the group to reconsider, saying the airport action could "cause further disruption and misery to thousands of travelers, many of them families, over Easter".
"Protesters can expect a robust police response," said assistant commissioner Nick Ephgrave. "We are determined to keep the airport operating."
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