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
A chilly night with widespread frost and fog in some parts of the UK which will be slow to lift in the morning.
Uptown Funk, his collaboration with Bruno Mars, reached number one in the charts again this evening.
ITV News spoke to Nick Channing-Williams who described the freezing conditions on board the car ferry that caught fire earlier today.