TOPSHOTS - Smoke billows from buildings in the southern city of Aswan on April 6, 2014 following fighting between the Bani Hilal, an Arab tribe, and the Dabudiya, a Nubian family. At least two more people were killed in renewed tribal clashes in southern Egypt today, after 48 hours of violence that left 23 dead, security officials said. TOPSHOTS / AFP PHOTO / RADWAN EL-NAJAR