New York Police Commissioner Raymond Kelly said Sian Green, the British woman who had part of her leg severed in a collision involving a taxi in Manhattan, remains sedated in hospital.
Police said the taxi driver had been issued with a summons for being an unauthorised driver of the car.
Mr Kelly said the incident remains under investigation and the driver could face other charges.
More top news
Prime Minister plans a whistle-stop charm offensive with EU leaders this week.
Thriller writer Anthony Horowitz is at the helm of the latest Bond book, which is based on an unfilmed Ian Fleming TV script.
Actress who plays iconic Daenerys Targaryen admitted she didn't want to become typecast for nudity.