Gunmen on pick-up trucks and motorcycles coming from Mali killed 13 gendarmes and wounded five more in an attack on their base in western Niger, security sources said on Saturday.
Several students have been injured in Kenya after gunmen opened fire at the Technical University of Mombasa's campus in coastal Kwale county.
Gunshots and explosions could be heard during the attack that lasted around four hours and witnesses reported seeing worshippers smash windows to escape.
Gunmen on Wednesday shot dead four members of the Shia Muslim minority in Pakistan's southwestern province of Baluchistan, officials said, in what police suspect was a sectarian attack.
Mexican authorities are on the hunt for a gunman who was disguised as a female nurse when he shot and wounded a US consular official in the city of Guadalajara.