The Islamist militants had taken hostages at a university campus in Garissa. In 2013, militants from the same group carried out a similar operation on the Westgate Mall in Nairobi, the capital.
Regulations intended to block money from getting to terrorist groups has led the last bank that handles most money transfers from the United States to Somalia to pull out of the business.
Jeh Johnson, speaking on CNN's State of the Union, said he is taking seriously a video put out by the Somali-based al-Shabab group calling on followers to attack Western shopping malls.
Reports vary as to whether al-Shabab's Zakariye Ismail Ahmed Hersi turned himself in or was captured in a raid. The U.S. had placed a $3 million bounty on the leading Islamist extremist.
Witnesses said armed militants opened fire on workers at a quarry in the northeast part of the country. At least 36 died. The country's police chief resigned, and the interior minister was fired.
After several young people left to join ISIS, leaders are considering which approach to take with marginalized youth. Boston's experience with the marathon bombing suspects may be instructive.
President Obama says the strategy the U.S. would pursue against the Islamic State would be similar to how it targets al-Qaida affiliates in Yemen and Somalia. But both countries are deeply unstable.
A Kenyan intelligence official says that the "high-value terrorist leader" whose residence was targeted in a Navy SEAL raid was the senior al-Shabab leader Abdikadir Mohamed Abdikadir, alias Ikrima. Ikrima is a Kenyan of Somali descent who boasts connections to both al-Shabab in Somalia and to a Kenyan jihadist group called al-Hijra.