Officers are appealing for witnesses to come forward following a fatal collision in Kirkdale this morning, Sunday 30 May.
At around 1am, emergency services were called to Westminster Road to reports that a blue Skoda Octavia taxi had been in a collision with a male pedestrian.
The pedestrian, a man in his 70s, sadly died at the scene.
A 50-year-old man from Salford was detained and arrested on suspicion of death by dangerous driving. He has been taken to a police station for questioning.
Detectives have opened a full investigation and would like to speak to anyone who witnessed the incident.
Roads Policing Sergeant Martin Mayne said: "This was a tragic event in which a man sadly lost his life, and we're keen to gather as much evidence into the circumstances as possible.
"It is believed that at least six members of the public kindly assisted the victim after the collision, diverting traffic and calling for an ambulance. We would like to speak to any witnesses who have information or dashcam footage from the area at around 12.30am this morning, as it could be vital to the investigation.
“We believe that the car had travelled from Bootle and was heading towards the city centre when the collision occurred. Any information or footage is welcome, so please come forward.”
Anyone who witnessed the incident or has any dascham or CCTV footage is asked to contact @MerPolCC or Crimestoppers anonymously on 0800 555 111 with reference 21000348473.