` ` We did everything that we could do , '' ` 's foreign correspondent says . Despite intelligence , rapid response was stuck in Nairobi for hours after massacre , official says . al - Shabaab 's Mohamed Mohamud ` ` has a lot of grudges against the terrorists , '' ` says .
`` We did everything that we could do , '' Kenya 's foreign minister says . Despite intelligence , rapid response team stuck in Nairobi for hours after massacre , official says . Al-Shabaab 's Mohamed Mohamud `` has a lot of grudges against the Kenyans , '' expert says .