A recent report from the US State Department's Overseas Security Advisory Council says the anti-West ideology shared by al-Shabab and the Kenyan terror group al-Hijra indicate that the groups "may seek to target the US private sector in Kenya."
The report was released in the aftermath of al-Shabab's attack on Nairobi's Westgate Mall, a gunfire and grenade assault that killed at least 67 people.
The report calls for Americans to exercise extra vigilance in Nairobi, Kenya's capital, and the coastal city of Mombasa at clubs, hotels, resorts, shopping centers, restaurants and places of worship.