Police have arrested five men in connection with the mass murder of eight victims including three children last week.
Police also seized a Toyota fortuner the suspects used in the crime. It was taken to a police unit for forensic officials to collect evidence.
It is still unclear the motive of the killing, police source said. The suspects were taken to Pang Nga province where they are believed to dump weapons and destroy evidence.
The same police source said that most of the suspects were native of Pang Nga.
The country was shocked last week with the massacre of eight family members at a residence of a village headman in Krabi's Ao Luek district. The victims included the village headman himself and three young members of the family.