Officers investigating the disappearance of 24-year-old Kyle Vaughan from Newbridge say they've arrested two more people.
A 27-year-old woman and a 28-year-old man, both from the Cwmfelinfach area, have been arrested on suspicion of murder.
Senior investigating officer Detective Superintendent Peter Jones said: "Eight people have been arrested during the course of the investigation.
"We are committed to finding out what happened to Kyle that night and since - and we wont stop until all avenues and lines of enquiry have been exhausted."
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Cloudy with rain and strong winds, local gales along exposed coasts. Rain persistent across western hills, and becoming heavy later.
It will be cloudy with hill fog and mild overnight with increasing winds, with gales around southwestern coasts.