DETECIVES investigating a serious sexual assault from around 25 years ago are trying to trace a couple who came to the aid of the distressed teenage victim.

They believe the witnesses could be from East Lancashire or nearby.

Officers have been trying to trace the man and woman who helped the teenager back in 1990 but have so far been unable to track them down.

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The victim reported the incident to police earlier this year and inquiries have been ongoing since then.

Officers widened their search for the pair as it is believed they may have now moved out of the area.

The victim, who was 15 at the time, was raped in an horrific ordeal at an address near Halton Road in Runcorn, Cheshire, in 1990.

Anybody with information should call Crimestoppers on 0800 555 111.

All calls to the hotline are free and any information given is treated as anonymous.