A miner in Tanzania has become a millionaire after finding the biggest tanzanite gemstones in history. ... Saniniu Lazer discovered the two dark violet-blue gemstones in one of the mines near his home. He sold the gems to the country's government for an enormous £2.4m.

Tanzania has lifted flight restrictions and quarantine for travellers from abroad in an effort to revive tourism. We’ll being you more on this from our regional correspondent. Also, a key suspect in the Rwandan Genocide was arrested in France and brought to a Paris court on Tuesday. Félicien Kabuga had been a fugitive for 25 years before being caught. Finally, Human Rights Watch has accused DR Congo of using excessive force against the separatist religious group Bundu dia Kongo. At least 55 people were killed in a crackdown in April but the rights organisation says the number is much higher.

Here is why you should pick a copy of The Guardian on Saturday. Find these stories and much more when you grab a copy of The Guardian on the newsstands on Saturday.

Twenty people in Tanzania were trampled to death at an open-air evangelical Christian church service in the north of the country, officials said on Sunday.

The Trump administration is planning to add seven countries - Belarus, Eritrea, Kyrgyzstan, Myanmar, Nigeria, Sudan and Tanzania - to its travel ban list, U.S. media reports said on Tuesday.

Drones have taken to the skies over Zanzibar, spraying paddy fields with a solution that drowns mosquito pupae and larvae to fight malaria.

Tanzania’s President John Magufuli is facing criticism for cracking down on the opposition and the press. But he is supported by Tanzanians who feel their lives have improved since Magufuli was sworn-in four years ago.

Tanzania’s biggest city Dar es Salaam suffers from big traffic problems – but a bus rapid transit system plans to get residents moving again. The current buses are also being phased out for more eco-friendly vehicles.

President John Magufuli urged Tanzania's women to "set your ovaries free" and bear more children as a way to help boost the economy into a regional powerhouse, a step critics said would instead worsen inequality and poverty.

Tamimu Kifungu is a young innovator who wants to solve Tanzania's energy problem with renewables. He is part of a group of self-taught engineers that are designing windmills generating electricity and pumping water.

When the EU finally committed to banning an array of single-use plastics in March, it became part of a growing plastic-free movement that is seeing similar bans imposed from Vanuatu to Canada and Tanzania.

The German Federal Ministry for Economic Cooperation and Development has commissioned the second phase of the Competitive African Rice initiative which will be implemented in four countries; Nigeria, Burkina Faso, Ghana and Tanzania. Richard Ogundele, Founder and CEO of JMSF Agribusiness Nigeria joins CNBC Africa to explore ways Nigeria can take advantage of this move to boost its rice production.