TUNISIA should halt collective expulsions of sub-Saharan African migrants and urgently enable access to humanitarian services for those the government sent to a dangerous area of the Tunisia-Libya border, Human Rights Watch (HRW) said. Tunisia has removed hundreds of the migrants to a desolate area along the border, a Tunisian rights group and a lawmaker said on Wednesday, with witnesses reporting dozens more put on outbound trains following days of violence. Disturbances between migrants and residents went on for a week in the port of Sfax, and one Tunisian was killed. Residents complained of disorderly behaviour by migrants and migrants complained of racist…