POLICE investigating the murder of Constable Ronan Kerr have arrested a 36-year-old woman in Pomeroy.
The woman was arrested on Tuesday and is being held at Antrim police station.
Constable Kerr, 25, died when a booby-trap bomb exploded underneath his car in Omagh, County Tyrone, on 2 April.
A house in Pomeroy was searched.
A 33-year-old man appeared in court last month charged in connection with the murder of Constable Kerr.
Gavin Coyle, from Culmore Park, Omagh, was charged with possession of explosives, firearms and articles likely to be of use to terrorists at Dungannon Magistrates Court.
No bail application was made and he was remanded in custody for four weeks.