The RUC say a woman has been arrested in South Armagh in connection with the Omagh bombing. She was arrested yesterday and taken to Derry to be questioned by police detectives.
Meanwhile, another woman who was being questioned by gardaí about the bombing was released without charge early today. She was one of five people arrested and held by gardaí in a series of raids last weekend.
One man is still being questioned by gardaí about the attack. Last Wednesday, a man was charged in connection with the bombing.