Yemen blamed Al Qaeda behind bombing that killed 4 tourists , according to local press . The fatalities were South Korean citizens ; nationalities of others unknown . CNN could not immediately reach the Yemeni government for confirmation . Suicide blast occurred Sunday in city of Aden , a UNESCO World Heritage Site .
Yemen blamed Al Qaeda behind bombing that killed 4 tourists , according to local press . The fatalities were South Korean citizens ; nationalities of others unknown . Suicide blast occurred Sunday in city of Aden , a UNESCO World Heritage Site .