"The arrest has been lifted. There is no reason to detain him," said prosecutor Miona Green.

It was at lunchtime on Wednesday that there was a serious traffic accident near Mantorp park. A police employee suffered life-threatening injuries and underwent emergency surgery on arrival at Linköping University Hospital.

A man in his 40s was arrested later yesterday, but has today been released.

"I cannot comment on any details of the investigation, but the man who was arrested is still suspected of a crime and the investigation continues with the necessary measures.

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The accident occurred near Mantorp park. Photo: Jeppe Gustafsson