The Somali militant group al-Shabab has claimed responsibility for the attack. In September 2013, al-Shabab gunmen attacked the Westgate shopping center in Nairobi. At least 67 people were killed. There has been a lot of talk about Kenya's security, and corruption cases linked to government officials. ____________________索马里激进组织"青年党"宣布对此次袭击事件负责,2013年9月,"青年党"武装人士袭击了内罗毕的Westgate购物中心,至少67人丧生. 肯尼亚安全问题和与政府官员牵涉的贪污案件一直备受争议._____________________