A 28-YEAR-OLD Runcorn man has been arrested as part of a police investigation into a serious sexual assault.

The victim, a 26-year-old woman, was attacked near Irwell Lane, Runcorn  at around 3am on Saturday, April 5, 2014.

Cheshire Police are still advising women in the area to be extra vigilant.

Police officers are patrolling in the area and are advising women if they are going for a night out, to stay with their friends and be conscious of their surroundings and who is around the area they are walking in.

Anyone with information can call Cheshire Police on 101 quoting incident number 132 of the 5 April.

Alternatively information can be left anonymously by calling Crimestoppers on 0800 555111.