The Al-Qaeda-affiliated militant group controls parts of Somalia and wants to impose its hardline version of Islam on the country.
Nigerian authorities say they have arrested five Boko Haram members.
Analysts say the student protests could be infiltrated by violent Boko Haram militants if the government doesn't address grievances soon.
Dr Stella Nyanzi's case has reignited the debate about freedom of expression in Uganda.
Residents of the town reported that militias aligned with the government "went from house to house" looking for people from the Lou and Fertit ethnic groups.