Sexual attack by man in costume

Version 0 of 1.

A woman has been seriously sexually assaulted in Londonderry by a man wearing a Halloween costume.

The incident happened in the Northland Road-Northland Crescent area of the city between 0100 and 0200 GMT on 1 November.

The police want to hear from a man dressed in a Halloween costume.

He is described as having short dark hair, and wearing a black silky Halloween costume with a mask around his neck.