BBC news with Julie Candler.

The group Al Qaeda in the Arabian Peninsular says it carried out a suicide bombing in the Yemen capital Sanaa that killed at least 90 soldiers. The group said it was revenge for what it called, the war waged by the Yemeni government and their American backers against its followers in southern Yemen. Sebastian Usher reports.

The suicide bomb that hit a military parade rehearsal in the central of Sanaa was devastating. Yemen is used to violence and instability. But the force and symbolism of this attack has stunned Yemenis. Al Qaeda's threatened similar attacks if the new president Abdrabbuh Mansour Hadi doesn't stop the current military offensive in the southern Abyan province aimed at driving Islamist militants out of towns they've seized in recent months. A speech by the president has been read out on the state TV, vowing tougher action in response. But there has already been criticism that he didn't appear in person.

President Obama has reassured Afghanistan that it 'll not be left on its own after Nato hands over security responsibility to Afghan forces in 2014. Speaking at the Nato summit in Chicago, Mr Obama said a strategic partnership deal reached with president Hamid Karzai meant the way forward was clear for a long-term relationship with Afghanistan beyond 2014.

"We leave Chicago with a clear roadmap, our coalition is committed to this plan to bring our war in Afghanistan to a responsible end. We also agreed on what Nato's relationship with Afghanistan will look like after 2014. Nato will continue to train, advise and assist and support Afghan forces as they grow stronger."

Hundreds of protestors in Mali have attacked the interim president Dioncounda Traore, beating him unconscious. The crowds stormed the presidential compound in the capital Bamako, angry that a deal, negotiated with the West African regional organization ECOWAS, would permit Mr Traore to stay in power longer than planned. Thomas Fessy reports.

Dioncounda Traore is fine. He's just suffered minor head injuries. One of his close aides told the BBC Mr Traore was beaten up by protesters who stormed the office. Witnesses said they'd heard gun shots and a military spokesman claimed three people were killed by the president's protection officers. Thousands of demonstrators took to the street to call for Mr Traore to step down at the end of his 40-day rule on Monday. This despised a last-minute deal between the regional bloc ECOWAS and the leader behind a coup two months ago which extended Mr Traore's mandate to a year.

The Malaysian opposition leader Anwar Ibrahim is facing new criminal charges, this time in connection with his role at a big anti-government rally last month attended by tens of thousands of people. If convicted, Mr Anwar could be disqualified from running in elections which are expected to take place soon.

World news from the BBC.

In a case that's become a cause celebre in the United States, a former student in New Jersey has been jailed for 30 days for using a webcam to spy on his gay roommate. The 18-year-old roomate Tyler Clementi jumped to his death after learning that Indian-born Dharun Ravi had phoned him kissing another man.

The Iranian government says it's sacked a diplomat accused of molesting at least four girls at a swimming pool in Brazil. The official, Hekmatollah Ghorbani, was arrested last month at a sports club in the Brazilian capital. He was freed later after invoking diplomatic immunity, but was recalled to Tehran. The Iranian Foreign Ministry says that an investigation found that his behavior was contrary to administrative regulations and Islamic morality.

Facebook share price has dropped sharply on its second day of trading as a public company, falling well below the 38 dollars at which the stocks were initially floated. Mark Gregory reports.

It's the largest ever share issue by a technology firm. It's the most talked-about stock market event of recent times. And it's got off to a poor start. Facebook shares only stayed above the 38- dollar offer price on Friday, thanks to repeated buying of the stock by the underwriters, the financial firms that managed the floatation. And now in the second day of trading, Facebook shares have already slumped below the launch price. It's early days yet, but it doesn't look good.

The candidate of the governing party in the Dominican Republic Danilo Medina has declared victory in a close presidential vote. But the result is being contested by the opposition. Mr Danilo won 51%, avoiding a run-off next month. His main opponent, former president Hipolito Mejia received nearly 47% of the ballot but has not yet conceded. Rising crime, unemployment and inflation in the Dominican Republic were the main issues of the campaign .

BBC news.