Anti-terror police in France have taken over the investigation into a knife attack in Paris that left four people dead.
A member of staff went on the rampage inside the French capital’s police headquarters just after midday on Thursday, killing three officers and an administrative worker before being shot dead.
The 45 – year-old IT worker roamed two floors with a kitchen knife and wounded at least one more person.
The decision to refer the investigation to the national anti-terror unit was taken “in light of the evidence gathered by criminal investigators at this stage of the inquiry ***, a prosecutor’s office spokesman said.
It follows interviews with the man’s wife and several close associates and an examination of his mobile phone, the Reuters news agency said.
His wife, who was taken into police custody on Thursday but not charged, is said to have told police he heard voices on Wednesday night.
Officials said the man did not have a history of psychiatric problems.
He had worked for the Paris police force since 2003, and had not given any previous cause for
According to French media, he converted to Islam about 18 months ago.
Armed security personnel in camouflage gear locked the area down after the attack on Ile de la Cite island in the River Seine.
The attacker was stopped by an officer who had recently completed his training and had only been in the job for six days, Paris police chief Didier Lallement told reporters.
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