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.
More top news
A man caught swearing at a speed camera has been jailed for perverting the course of justice after trying to dodge 69 speeding charges
Tom Hiddleston can count the royals among his legions of fans - as the Duchess of Cornwall revealed they were "gripped" by The Night Manager
MPs say the results show that Jeremy Corbyn's brand of socialism isn't working - but he has done well enough to stave off a coup.