Couple quizzed in relation to Ashling Murphy killing 

Files are being prepared for the DPP

Ashling Murphy was attacked and killed while out for a run along the Grand Canal in Tullamore on January 12.

Gardaí investigating the killing of teacher Ashling Murphy are preparing files for the DPP after detectives quizzed a married couple on suspicion of withholding information.

The man and woman were arrested in Dublin on Wednesday by members of the Garda team investigating the fatal assault on Ms Murphy in Offaly in January.