SONGKHLA: The prime suspect in the murder of one brother and wounding of another in Chumphon province four months ago was arrested at an oil palm plantation in Ranot district in this southern province on Wednesday. About 7am, police raided an oil palm plantation at Moo 5 village in tambon Tha Bon and arrested Somsak Panbo, alias Lone, 37, who was wanted under a warrant issued by Lang Suan Court in Chumphon. Mr Somsak was found in a workers’ hut. He surrendered without any resistance. According to police, on March 2 Mr Somsak, accompanied by his wife, travelled by pickup to a house at Moo 5 vil…