Separatist insurgents shot dead a soldier and seven people were wounded in a bomb blast in Thailand's troubled Muslim-majority south on Tuesday, police said. The 55-year-old Muslim sub-lieutenant was killed in a drive-by shooting in restive Pattani province as he travelled to work on a motorbike in the early morning, they said. In nearby Narathiwat province six rangers carrying out a foot patrol were hospitalised when insurgents detonated a remote-controlled roadside bomb, police added.