Bay of Plenty Police are appealing for witnesses to a serious crash in the Rotorua area on Thursday, January 23.

The crash, involving a car and a pedestrian, occurred at around 1.40pm at the roundabout intersection between Ranolf Street and Malfroy Road.

"A 71-year-old woman was taken to Waikato Hospital with critical injuries," says a police spokesperson.;

"This person later died on January 29."

Police have charged a 43-year-old man with manslaughter and other driving-related offences.

"Police would like to hear from anyone who may have witnessed the crash.

"Police are particularly interested in any sightings of a black BMW X5 that was in the area around this time."

If you have any information that can assist with the investigation, please call 105 quoting file number 200123/5299.

Information can also be passed on anonymously via Crimestoppers on 0800 555 111.