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
The jury was shown footage of Rurik Jutting talking to the camera about rape, torture and murder, with one of his victims in the background.
An 11-year-old girl was sexually assaulted in broad daylight attack in a cemetery, police said.
Four people have died in an incident at an Australian theme park.