Michael Snelling has been released on conditional bail following his arrest in the Claudia Lawrence case.
The 59 year old was arrested on suspicion of murder in connection with the chef's disappearance.
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In the hours following the incident, journalists Can Dundar and Erdem Gul were found guilty in their trial for revealing state secrets.
After a wintry end to last week, a fast track to summer
The government has made its third U-turn in a matter of days as the prime minister struggles to push policy through on a slim majority.