The incident happened on Benone Beach near Limavady.
Police are appealing for information following a report of two people being injured after being struck by a horse on Benone Strand, Limavady yesterday (Sunday, September 21) at approximately 10.45am.
Inspector Jack said: "The man and woman received medical treatment at the scene from Northern Ireland Ambulance Service and Coastguard colleagues before being taken to hospital.
"The man's injuries are described as serious but not life-threatening.
“A 66-year-old man who was arrested in connection with the investigation, has since been released on bail to allow for further enquiries.
“Our enquiries are continuing, and we would appeal to those who witnessed the collision and exactly what happened to make contact with us on 101, quoting reference number 509 21/09/25.
“We would also be keen to hear from anyone who may have any mobile or dash-cam footage of this or suspected vehicles that may have been involved.”
You can also report online at www.psni.police.uk/makeareport/ or anonymously via Crimestoppers on 0800 555 111 or online at www.crimestoppers-uk.org
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