The Palm Sunday attacks killed at least 44 people and injured more than 100 others
Uzbekistan native had been on authorities’ radar
The president sets a 60-day deadline for the group to surrender
Those responding to Africa’s humanitarian crises face persistent security risk
Ethiopia’s withdrawal from the country bolsters al-Shabaab
Death toll rises to 14 from Monday’s explosion
Nigerian army dismissed the attack reports, claiming the area remains secure
Another victim died in the hospital Thursday
Retaliatory airstrikes rain fire on border-dwelling Islamic militants
Bounty announcement follows a Sunday explosion that killed more than 30 people
