Suspected rebels killed four Hindi-speaking migrant workers before dawn Sunday and three more bodies were found from an earlier killing in India's insurgency-wracked northeast, police said, bringing the death toll from a week of violence to 30. «About six militants armed with assault rifles arrived in the village of Romgmong Ghat, barged into two houses and shot four people dead after dragging them out early Sunday,» said L.R. Bishnoi, a senior police officer in Assam state. Also, police carrying out searches near the site where gunmen shot dead 11 migrant workers late Friday, found three more bodies, bringing the toll to 14, Bishnoi said Sunday. Of the 30 killed in the past week, 26 have been migrants from other parts of the country, the Associated Press reported.