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
A ban on female soldiers fighting on the front line could be lifted in 2016, the Ministry of Defence has announced.
A woman who filmed her elderly mum's carer stealing money explained how she felt ill when she discovered the crime.
Showers are set to clear to leave much of England and Wales with plenty of sunshine.