BBC World Service

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A man is killed in a machete attack and two suspects shot and wounded by police in London, with footage emerging of a man with bloodied hands shouting political statements near the scene.

A Florida man was shot and killed as he became violent under questioned by Boston bombing investigators, FBI officials say.

More than one million Montreal residents must boil drinking and cooking water after a mishap at a water treatment plant, officials warn.

US Attorney General Eric Holder confirms four American citizens have been killed in US drone strikes in Yemen and Pakistan since 2011.

Hewlett-Packard shares leap in after-hours trading, despite quarterly results showing a seventh consecutive fall in sales.

The mayor of the tornado-devastated town of Moore in Oklahoma vows to push for a new law on shelters, after Monday's deadly twister.

US Federal Reserve chairman Ben Bernanke tells Congress that it is too soon to end the central bank's monetary stimulus programme or raise interest rates.

South Africa's main opposition party condemns as a cover-up an official probe into the use of a military base for an Indian society wedding.

A man accused of murdering five-year-old April Jones told a "complex web of lies" about her death, the prosecution says.

A man who killed a couple when he knocked them off their tandem bike in Bristol is jailed for 10 years.

By a wide margin, Los Angeles elects its first Jewish mayor, Eric Garcetti, a 42-year-old three-term city councilman.

Getting ready for bookless libraries

EU leaders say they are committed to tackling tax evasion and will push for global action to curb banking secrecy.

US Secretary of State John Kerry says Lebanon's Hezbollah and Iran are perpetuating President Bashar al-Assad's "campaign of terror" in Syria.

Sri Lankan President Mahinda Rajapaksa's rugby player son Rohitha is investigated for allegedly assaulting a referee.

There are boos and walk-outs for Ryan Gosling's film Only God Forgives at Cannes, but it still earns some five-star reviews.

David Cameron hails an EU agreement to close tax loopholes as a "turning point", as Google's boss urges politicians to "sort" the system.

The UN's nuclear watchdog says hundreds of advanced centrifuges have been fitted at Iran's Natanz nuclear plant.

Giovanni Visconti wins his second Giro d'Italia stage in four days as Italy's Vincenzo Nibali maintains the overall lead.