Police are appealing for witnesses to come forward after a van failed to stop following a Burnley collision.
The incident occurred around the junction of The Ridge with Brunshaw Road in Burnley at around 3-40pm on Thursday.
A white Vauxhall Corsa driven by an 81-year-old man and with a 75-year-old woman passenger stopped to give way at the junction when it was struck by a blue van.
Police say the van did not stop and is thought to have travelled in the general direction of Burnley town centre.
It was followed by a member of the public and was seen turning left onto Brunshaw Avenue before it was lost on Morse Street.
The couple were taken to Royal Blackburn Hospital where the woman was found to have sustained three fractured ribs.
PC Mark Ramon from the East Road Policing Unit said: “It is lucky that the elderly driver and passenger from the Corsa were not more seriously injured.
“We are keen to trace the driver of the van and urge anyone with information to come forward.
“Similarly, if you believe you have seen this van in the area at the time, please get in contact with us.”
The make and model of the van is still unclear, however, it is believed it could have been a Ford Transit van or of similar appearance. It may have damage to the front bumper area.
The driver of the van is described as a white male, mid-twenties with dark hair shaved at the sides but longer on top with a side parting. He was in the company of a passenger.
Anybody with information can contact police on 472481 quoting incident reference 837 of April 16th. If the caller does not get an answer, they can alternatively call 101.
Crimestoppers can also be called anonymously on 0800 555111.