Appeals are being made for volunteers to join a search party for a missing 22-year-old in Lifford.
David Colhoun from Lifford, hasn't been seen since the early hours of Sunday morning.
Mr.Colhoun was being held in custody at Strabane PSNI station in the early hours of Sunday morning. He escaped when officers were putting him from one police car into another. He hasnt been seen since and hasn't contacted his family or girlfriend.
Searches along the river bank and surrounding areas were carried out but there have been no sightings of Mr. Colhoun.
The new search will begin tomorrow, with the search party meeting at McCauleys resteraunt at 8am.