The Prime Minister told people crossing the Channel to enter the UK: “We will send you back.”
The British Airline Pilots’ Association said its members will walk out on September 9, 10 and 27.
Many of those living in Markland House said they heard no alarms.
The PA news agency spoke to WWF UK and Greenpeace UK about the situation which is being described as an international crisis.
The 28-year-old officer was killed near the Berkshire village of Sulhamstead last Thursday.
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