A long trail of blood on the pavement and abandoned shoes remain at the scene of two explosions that killed at least 11 people and wounded around 60 in the city of Bukavu. The blasts occurred after a rally held by the Rwanda-backed M23 group, but it was not immediately clear what the source was. "It hurts me a lot to lose my mother in such a senseless way, when my father has never even been a street gang leader," survivor Samuel Nsamba tells AFP. IMAGES AND SOUNDBITES