Emergency services were called to the scene on Queens Road at the junction with Hanson Lane this morning.
West Yorkshire Police received reports of a road traffic collision just after 8.30am today (July 6)
Fire crews and paramedics were also called as a police cordon was set up/
A spokesperson for West Yorkshire Police said: "Police are appealing for information following a fatal collision involving a pedestrian and a lorry in Halifax.
"It happened at about 8.27am today in Queens Road, at the junction with Hanson Lane.
"The pedestrian, a 32-year-old woman, suffered serious injuries and was sadly pronounced dead at the scene.
"Enquiries are continuing into how the collision occurred and investigating officers would like to hear from anyone who witnessed what happened immediately prior to the incident, or anyone with dash cam footage or footage that will assist the investigation.
"The Major Collision Enquiry Team is investigating the collision and can be contacted on 101 or through the options on the West Yorkshire Police website.
"The log reference is 292 of 6 July."
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