BBC Africa has gathered evidence that Israel is sending unwanted African migrants to third countries under secretive deals, which may be in breach of international law. The Israeli government refuses to name the third countries involved in the deals, but the BBC has spoken to people who say they were sent to Rwanda and Uganda. There are around 45 thousand Eritrean and Sudanese migrants in Israel. They've arrived in the country over the last ten years, crossing through Egypt and the Sinai Peninsu