Description:Four people are dead, including an 11-month old baby, after gunmen opened fire at a tea shop in southern Thailand on Tuesday. The victims were two men, a woman and a baby girl. Another four people were wounded in the attack. Police said they suspect the attackers were separatist insurgents, but no one has claimed responsibility. Witnesses described seeing at least three gunmen arrive in a pickup truck and open fire at the busy shop.(0:54)