The new move comes as some countries, including Kenya, are considering a partial ban on the platform.
Gamane is the first this year in Madagascar's cyclone and storm season.
The electoral body upheld an objection against Zuma's candidature in the upcoming elections due on May 29.
The bus was taking Easter pilgrims from Botswana to a town in Limpopo.
In 2009, militia group Boko Haram launched an insurgency seeking to overthrow the government and establish an Islamic state.