A man held on suspicion of causing death by dangerous driving after a crash which claimed the lives of two men has been released on police bail.
The 24-year-old was driving a car which was involved in a head-on collision with a taxi on Victoria Road, Fenton, Stoke-on-Trent, early on Saturday.
The 31-year-old taxi driver and a 29-year-old passenger died, while a 31-year-old man was critical on Sunday.
The car driver, from Trentham, was released pending further inquiries.
He was in the University Hospital of North Staffordshire in a serious condition on Sunday, police said.
The man described as critical in the same hospital on Sunday was a passenger in the grey Skoda Octavia taxi and is from Fenton.
The collision at about 0105 BST on Saturday involved a blue Jaguar XK8 travelling from the direction of Hanley towards Fenton and a taxi going the other way.
The taxi driver, from Normacot, was confirmed dead at the scene.
The 29-year-old passenger in the taxi who died in hospital was from Fenton.