SEVEN people were killed and two injured in an explosion in northern Togo on Saturday night the army said in a statement. The victims were all between the ages of 14 and 18, said a medical source at the regional hospital in Dapaong, who asked not to be named. The explosion occurred in the village of Margba, in the northern Savanes region where Togo declared a state of emergency last month due to rising insecurity. In May, eight soldiers were killed in the same region in what was thought to be the first deadly spillover of Islamist violence from neighbouring Burkina…