Police in Tanzania fired tear gas and gunshots on Thursday, to disperse groups of protesters who returned to the streets a day after a general election marred by violent demonstrations.

Protests broke out in commercial capital Dar es Salaam and other cities during the vote on Wednesday over the exclusion of President Samia Suluhu Hassan's two biggest challengers from the presidential race, as well as what demonstrators say is increasing government repression.

Police ordered an overnight curfew in Dar es Salaam, a city of more than seven million people, after government offices and other buildings were set ablaze.

Internet access, disrupted during the election, appeared to be returning intermittently on Thursday.

Lulu Gaboo spoke to Dr David Matsanga, political scientist, conflict resolution specialist and observer of African dynamics...