A Ghanaian man is leading a campaign to bring The Gambia's former leader Yahya Jammeh to justice over the murder of 55 migrants who were mistaken for coup plotters, writes the BBC's Alex Duval Smith.
Martin Kyere leapt from the pick-up truck into the darkness. Bullets whistled around him as he ran for his life through the thick Gambian forest. He fell. He picked himself up. He dodged the soldiers' searchlight.
He promised himself not to rest until Mr Jammeh was brought to justice.
The Ebola virus has reared its head again, this time in the Democratic Republic of Congo. While it is impossible to predict exactly where and when the next outbreak will occur, we now know much more about how to prevent a crisis.
The news of an Ebola outbreak in the town of Bikoro in north-west DR Congo instantly brings to mind the horror of the epidemic that took 11,000 lives and infected 28,000 people in West Africa between 2014 and 2016.
Mahathir Mohamad is to become the world's oldest elected leader at 92, after a shock victory in Malaysia's bitterly fought election. He will be sworn in at 21:30 local time (13:30 GMT), according to the state news agency, Bernama.
The former PM came out of retirement and defected to the opposition to take on his one-time protégé Najib Razak.
His historic win has ousted the Barisan Nasional (BN) coalition, which has been in power since independence in 1957.