Kenyan teachers' union leader, Wilson Sossion, says that the lives of Kenyan civil servants are "clearly in danger" from insurgent attacks.
A governor and several other suspects have been arrested in connection with the coastal massacres in Kenya.
President Uhuru Kenyatta says "hatemongers" carried out deadly raids on Mpeketoni and Poromoko, despite al-Shabab claiming responsibility.
Violence has broken out again in Kenya's northeast, with eight people shot and wounded, a day after security forces cracked down on rioters.
They might have been driven out of Somalia's second city, but Islamist militant group al-Shebab have a plan B. Nastasya Tay reports.
Hillary Clinton has launched an 11-day tour of Africa by contrasting the US's commitment to democracy with rival powers' focus on exploitation.
Somalia's al-Qaeda linked al-Shebab insurgents have executed three members for "spying" for Western intelligence agencies.