Berlin CNN  —  A deportation flight bound for Afghanistan carrying 28 Afghan nationals left Germany on Friday morning, a day after the German government pledged to strengthen its asylum regulations in the wake of a deadly knife attack . A spokesperson from Saxony’s Interior Ministry told CNN that a plane with the Afghans on board departed from Leipzig just before 7 a.m. local time and was scheduled to land in Kabul, Afghanistan on Friday afternoon. The Afghans on the flight are convicted