The main opposition party in Equatorial Guinea says one of its supporters has died in prison after being tortured.

Citizens for Innovation said Santiago Ebee Ela was detained earlier this month in the capital Malabo.

Gabon has adopted a new constitution that would let President Ali Bongo remain in power indefinitely.

The National Assembly voted overwhelmingly in favour of the new legislation which allows the unlimited renewal of the presidential seven-year term.

The president also will be immune from prosecution during and after his time in office.

Zambia has closed its main passport office in the capital, Lusaka, in order to prevent overcrowding as it tackles the spread of cholera which has so far killed 67 people since September, news agency Reuters reports.

Home Affairs Minister Stephen Kampyongo said the normally busy Passports and Citizenship Office would remain closed until further notice:

"In the meantime officers will only attend to travel emergencies. This is to allow for measures to be put in place to avoid the spread of cholera," Mr Kampyongo said.

An Ethiopian Court has sentenced more than 30 members of GinBot 7, an outlawed group to a long prison term. The Ethiopian Government had designated the group a terrorist organization in 2011 after it allegedly attempted to illegally overthrow the government. The recent move is coming few days after the government had announced that it would free political prisoners who have been convicted and are serving various prison terms or politicians facing trial in court.

A riot has broken out in a Zambian slum over measures designed to curb the spread of cholera, news agency Reuters reports.

Police have been sent into Kanyama township, in the capital Lusaka, after outrage over a ban on street vending was put in place.

The capital is struggling to contain an outbreak of the deadly disease, which has killed more than 60 people since October, while almost 3,000 people nationally have fallen ill.

More than 300 people have been arrested in Tunisia overnight, as anger over the government's austerity measures spilled into the streets once more.

Police used tear gas against large crowds demonstrating against price rises affecting basic goods.

The army was deployed into towns across the country to protect government buildings, which have become targets.

PM Youssef Chahed condemned acts of "vandalism" by the protesters, saying they were trying to weaken the state.