More than 30 others were injured in the blast that is suspected to have been orchestrated by Boko Haram.
The coup attempt came amid turmoil over President Pierre Nkurunziza’s bid for a third term in office.
The government said President Pierre Nkurunziza had returned to coup-torn country.
Burundians celebrated even though it wasn’t clear whether the military had been able to consolidate power.
A political conflict in Burundi leads to violent clashes and fears of war.
The trials of soldiers reveal the military’s lack of equipment and troops as it battles Boko Haram.
Demonstrators oppose a move by the president to stay on for a third term.
The unannounced three-hour visit signals a readiness to reengage with the country that not long ago was a haven for militants.
Kerry also discussed anti-terrorism strategy and laid a wreath at the site of the 1998 U.S. Embassy bombing.
She and her parents have become some of the most visible advocates for the threatened species.
Authorities say Dadaab become a haven for terrorists, but aid groups fear a humanitarian disaster.
The bloggers said they were promoting democracy. They have been charged with terrorism.
Earlier this month, al-Shabab gunmen killed 148 people at a university in Kenya.
The destruction of Gwoza highlights how difficult it will be for the Nigerian government to rebuild.
Air force planes targeting the Islamist group hit two positions in a border area, a military spokesman said.