A 36-year-old man has been arrested in connection with a hit-and-run incident which left a two-year-old boy and his 10-year-old sister fighting for their lives.
The man is being questioned by police after Raham Saleem and his sister Sabam were knocked down by a Vauxhall Astra in Brudenell Road, Hyde Park, Leeds, on Saturday.
He has been arrested on suspicion of dangerous driving, failing to stop at the scene of an accident and failing to report an accident, West Yorkshire Police said.
A force spokesman said the man was from Leeds and was being held in custody overnight for questioning."
Police said Raham and Sabam were hit at around 5.20pm on Saturday after buying onions for the family's Eid celebrations.
A cousin, who was with the children, escaped injury.
Officers said the driver slowed down to see what had happened, then sped away from the scene.
The children underwent surgery at Leeds General Infirmary where Sabam remains in a critical condition.
But West Yorkshire Police said her brother was now improving and has been moved out of the intensive care unit.
Police earlier released an image of the silver or grey Vauxhall Astra mark 4 believed to have been involved in the collision.
Detectives also said they believed a woman seen on the street at the time may have witnessed what happened and urged her to contact them.
On Sunday, detective superintendent Paul Taylor who is leading the inquiry, said Sabam's father thinks she is "the apple of his eye", while her brother was due to start nursery in October.
Today, the children's aunt, Saima Rafique, told BBC Look North her niece's condition was very serious.
"We want her home," she said. "I really want my princess home."
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