A 62-year-old man arrested on suspicion of perverting the course of justice following the disappearance of a Newbridge man has been released on bail.
Officers are continuing to question a 27-year-old on suspicion of murder.
24-year-old Kyle Vaughan was last seen at the end of December.
More top news
A calm and quiet night ahead, but inland temperatures could drop enough for some grass frost by the early hours.
Education reporter Megan Boot explains issues facing the education system ahead of the 2016 Assembly election.
An exclusive poll for ITV Wales shows support for the Conservatives and UKIP is up, whilst Labour's support remains unchanged.