US was warned about Kenya mall attack

U.S. intelligence received reports of a serious threat in Kenya before last week's terrorist attack at a Nairobi mall that left 62 dead and more than 150

A young boy is helped by his father as he lights a candle to pay tribute during a prayer service held for the victims of the Westgate shopping mall terrorist...
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U.S. intelligence received reports of a serious threat in Kenya before last week's terrorist attack at a Nairobi mall that left 62 dead and more than 150 injured, NBC News reported.

Officials said that NSA reviewed intelligence of a "credible" threat.

Kenyan police arrested nine suspects tied to the attack. Al Shabaab, a Somali terror group tied to al Qaeda, had claimed credit for the attack.