An al-Shabab gunman entered a military base in Somalia and killed at least three Kenyan peacekeepers on Monday, in the latest attack by armed fighters who oppose the presence of foreigners in the Horn of Africa nation. For years, Kenyan troops have been active along the border with Somalia [File: Ben Curtis/AP] A lone gunman … Continue reading Al-Shabab gunman kills three Kenyan peacekeepers in Somalia . Kenyan military official said a lone attacker fired indiscriminately, wounding five soldiers, before he was gunned down.