Around the world
Methane is being extracted from Lake Kivu in Rwanda to generate electricity.
Protesters vow to continue the unrest in Santiago until changes are made to Chile's constitution.
In the UK
Viking re-enactor Richard Mehmed says he found faith with Norse gods while "wielding a six-foot axe".
Staffordshire Police release CCTV footage of a lorry driver making a dangerous manoeuvre on the M6 Toll.
Former prime minister Tony Blair says of Labour's manifesto: "The more you read it, the less convinced you became."
We profile a Labour leadership contender who hopes to unite supporters of both Corbyn and Blair.
Kirsty Drexler's family have taken the council to court in hopes of keeping her specialist school transport.
A Mandarin speaking competition aims to boost pupils' language skills.
An artist known for his positive poster messages has directed his new creations at healthcare workers.
Jess has anxiety and has previously had depression and bulimia, but says running has given her a new energy.
American's top cyber-security official says China's Huawei should not play a role in 5G networks.
Huawei's Paul Scanlan says the company is years ahead of its competitors Nokia and Ericsson.
How unwanted food is processed to produce electricity and fertiliser.
Nic Bonne, who uses 3D-printed models to study galaxies, wants more people to stargaze.
BBC Click’s Paul Carter looks at some of the best technology news stories of the week.
Academic and electronic musician Bertolt Meyer has hacked into his prosthetic arm and connected it to his synth.