Refugees and their supporters in Tel Aviv mark World Refugee Day on Friday. But amidst what is meant to be a celebratory event hangs a strong sense of unease, as Israel tightens its immigration policies, threatening to deport those who seek protection and to jail the ones it cannot expel. Last week, Israel began aggressive efforts to deport the entire South Sudanese community, which had enjoyed protection from deportation until now. Activestills documented the weeks leading up to their expulsion. Text by Yotam Gidron All photos by Activestills On June 7, 2012, the Jerusalem District Court ruled against a petition submitted…