A man arrested in connection with the brutal murder of Saudi Arabian student Nahid Almanea has been released, police said.
The 52-year-old man has been positively eliminated from enquiries, Essex Police said.
Nahid, 31, died after she was stabbed 16 times as she walked along a path in Colchester, Essex, on Tuesday morning.
She had been studying an English language course at the University of Essex as part of her studies for a life sciences PhD.
More top news
Storm Imogen - when and where we will see the strongest winds?
Kate Middleton attended a special service to celebrate the landmark occasion in her first engagement as Honorary Air Commandant
The ISIS execution gang fronted by 'Jihadi John' had two British extremists who learned radical Islam together in London, ITV News reveals.