BBC News with Julie Candler.

The founder of Virgin Sir Richard Branson said lessons will be learned following the explosion of a Virgin Galactic rocket during a test flight in California. Sir Richard joined US Federal investigators at the crash site, looking at why Spaceship II broke up in midair. Our correspondent David Willies reports from the Mojave Desert.

A visibly shaken Sir Richard Branson said yesterday's disaster was a considerable setback to his mission and in the light of what had happened, he wouldn't be pushing on blindly. He indicated that Virgin Galactic's future would ultimately depend on the outcome of the crash investigators' inquiry. Spaceship II broke apart a couple of minutes after separating from the mother ship during a test flight here. One of the pilots ejected and seriously ill in hospital. The other didn't survive.

The opposition in Burkina Faso says it won't accept a military takeover of the country and is going to take to the streets on Sunday in protest. President Blaise Compaore stepped down on Friday after a popular uprising. The army has named lieutenant-colonel Issac Zida as the country's new leader. The African Union has called for a civilian-led transition leading to free and fair elections as soon as possible. Here is our West Africa correspondent T. F.

After 24 hours of a power struggle within the army to decide who should lead the country, opposition parties and civil groups are claiming the victory from the popular uprising that forced President Compaore to resign. They say the management of the transition belongs to the people and shouldn't be confiscated by the army. They've called for a mass rally in the morning. There is growing concern among the population that this week's events may now be hijacked by a military coup.

Tens of thousands of people have been protesting through the Republic of Ireland over the introduction of charges for tap water. The average household will have to pay about 300 dollars a year. Chris Pay reports.

Campaigners have held almost 100 demonstrations across the Republic of Ireland. Some protesters burned registration forms for the water charges scheme. In January of next year, people will have to pay for a domestic water supply for the first time. It's a consequence of the international financial bailout which Ireland accepted in 2010. The multi-billion Euro package rescued the country's economy, but the condition was that Ireland had to reduce its national debts.

Police in Hong Kong have arrested a British man over the murders of two women. The victims were found in a luxury flat in the Wan Chai District. Police said one of the bodies had been stuffed into a suitcase and left out on a balcony. Media in Hong Kong are reporting that the man arrested at the scene was a 29-year old banker with a top global firm and that the women were sex workers.

World News from the BBC.

Iraqi officials say Islamic State militants have carried out a new mass killing of members of a tribe in Anbar Province. The officials say the Jihadists lined up and shot at least 50 men and women of the al-Bulimia Tribe in retaliation for their resistance to IS. The al-Bulimia had fought the militants for several weeks.

Rights activists in Saudi Arabia said the pioneering female lawyer Suad al-Shamery has been arrested for comment she made on twitter which had been portrayed by her opponents as insulting Islam. Our Arab Affairs editor Sebastian Usher reports.

Suad Shamery has long been a thorn in the sight of religious establishment in Saudi Arabia. She's persistently questioned the good faith of some Islamic clerics whom she sees as one of the main obstacles preventing Saudi women from obtaining more rights. She received threats earlier this year for suggesting that the adoption of long beards as a sign of being a devout Muslim was silly. She is now facing police interrogation over the similar twits. The signs are not good. She had set up a group called Saudi de Libros. Her co-founder R. B. is currently serving a 10-year sentence for insulting Islam.

An Argentine judge has asked Spain to arrest and extradite two Spanish former ministers accused of involvement in murder during the military rule of General Franco. They can not be tried in Spain because of an amnesty law. But the officials could be prosecuted in Argentina. The families of alleged victims have asked Argentina for help because it has an extradition treaty with Spain.

The authorities in Bangladesh say they are struggling to restore electricity supplies after the whole country was hit by a power blackout. The first time this has happened in seven years. A director of state-run power development board acknowledged that the national grid had collapsed. He said efforts to bring power back had failed repeatedly. Officials say there is a glitch in the transitional line to India opened last year.

BBC News.