A man was knocked down and killed by a taxi after walking out of a police station in south Manchester.
Officers had arrested him earlier in the evening on a public order, but he was released from custody at Longsight Police Station.
The man, in his 60s, which then fatally hit by a black cab on the A6 Stockport Road, shortly after 2am.
Paramedics fought to help, but he was pronounced dead at the scene.
The taxi driver, a man in his 70s, stayed at the scene to speak.
The case has been submitted to the Independent Office for Policy Conduct (IOPC) in line with protocol, because the man had contact with GMP earlier that night.
It's not exactly known how long after its release the fatal collision took place.
A GMP spokesman confirmed on Saturday afternoon: "At around 2.10am this morning (Saturday 8 December) a man in his 60s was on the southbound carriageway of Stockport Road when a black cab collided with him.
"The man was pronounced dead at the scene despite the best efforts of paramedics.
"The driver of the black cab – who is in his 70s – remains at the scene and spoke to you." No arrests have been made.
"The road was closed for several hours.
"Following an inquiry, it was established that the former had been arrested on suspicion of a public notice."
Officers from GMP's Serious Collision Investigation Unit (SCIU) are working to understand exactly how and why they are knocked down.
Sergeant Jon McColl said, "We have spoken to several people who have stopped at the scene and have thus recovered the dash-cam footage as part of this investigation.
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"Our thoughts continue to be with this family and our support will be offered to you.
"Whilst we continue with inquiries we are still unable to hear from anyone that has any information about the collision."
Anyone with information about the incident can contact the SCIU on 0161 856 4741 quoting incident number 262 of 8 December 2018.
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