Police have warned against revenge attacks after a Saudi Arabian woman was stabbed to death on a footpath in Colchester.
Student Nahid Almanea, 31, died after she was stabbed 16 times on Tuesday morning, Essex Police said.
Essex Police called for calm, saying they were aware threats of revenge attacks had been made on social media sites.
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"People must be aware at all times that there are wild animals around them and they must make sure that their tents are properly closed."
The UK has been stripped of its top credit grade rating by Standard & Poor in the wake of its vote to leave the European Union.
Tonight: Showers will become confined to northern and western Scotland overnight leaving much of the country dry with clear spells.