"After Attacks, Kenyan Muslims Guard Christian Churches"

Here.

The patrols are a strong statement of rejection for the militant methods and ideology of Al Shabab, the Somali Islamist militant group that is suspected of carrying out the July 1 attacks in Garissa. By targeting Christians, militants in northern Kenya appear to be punishing Kenya for sending troops into Somalia to attack Al Shabab, and to prop up the shaky Somali government.