One officer was standing guard at the entrance to the police station in the north of the city this afternoon.
An ambulance was called there at 11am after an officer was killed in an incident with a firearm.
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A "public-spirited" passerby retrieved the child.
A man wanted in connection with a hit-and-run crash which killed a four-year-old girl has been arrested, police have confirmed.
Scotland's First Minister was pictured with her feet up on the sofa while penning the document to Theresa May.