Valerie Trierweiler has threatened to lift the lid on bed-hopping and back-stabbing at the top of the French state after being dumped by President Francois Hollande.

In interviews that would have set alarm bells ringing at the Elysee Palace, the former first lady made it clear Friday she had been hurt by the curt manner in which Hollande ended their relationship.

British Prime Minister David Cameron hosts French President Francois Hollande at their first bilateral summit on Friday, likely to be dominated by defense issues but also tensions over the EU.

The first Anglo-French summit since Hollande's election in 2012 takes place at a military base in Cameron's constituency in Oxfordshire, west of London, and will be followed by lunch at a country pub.

France has charged Yemenia Airways with manslaughter over a 2009 crash off the Comoros islands in which 152 people were killed, sources said Wednesday.

The Yemen carrier was charged on November 15 in connection with the crash of an Airbus A310 which French authorities have said should not have been allowed to fly, a judicial source said.

French President Francois Hollande has been hit with a backlash over the manner in which he dumped former first lady Valerie Trierweiler after being caught out having a secret affair.

In a sign that the saga that has gripped France for weeks is not about to drop off the agenda, politicians across the spectrum have displayed an unusual willingness to voice their opinion on what Hollande's handling of the affair and its messy aftermath indicate about the character of the head of state.

Two French school students who ran away to fight in Syria were back home Tuesday with some explaining to do to their bewildered parents and teachers and the police.

The two boys, aged 15 and 16, flew to Turkey on January 6 with the apparent intention of crossing the border into Syria and performing "jihad" or holy war alongside the thousands of foreign fighters who have joined rebels battling Bashar Assad's government forces.

After losing her title as France's first lady, Valerie Trierweiler has begun forging a new role as a goodwill ambassador, with her glamour and media savvy guaranteeing her maximum publicity on a charity trip to India.

Only hours after President Francois Hollande announced the couple were separating, Trierweiler boarded a plane in Paris for a two-day visit to Mumbai that saw her chat with sick children in hospital and see how some of India's poorest people eke out a living in an overcrowded slum.

French President Francois Hollande will visit Britain on Friday for talks with Prime Minister David Cameron on foreign policy and shared energy and defense projects, officials said.

The half-day Anglo-French summit will include a media conference, at which Hollande will likely face awkward questions about his love life from Britain's notoriously prurient press.

French President Francois Hollande arrived in Turkey on Monday for a state visit amid a political crisis plaguing the Turkish government and turmoil roiling his private life.

Hollande's two-day visit is the first by a French head of state in 22 years and reflects a thaw in ties that were frosty over France's stance on Turkish accession to the EU and the genocide of Armenians.

The United Nations was expected on Tuesday to adopt a resolution imposing sanctions against those who foment violence in the crisis-wracked Central African Republic, a French official said Monday.

Meanwhile, troops of an African peacekeeping force known as MISCA were escorting out of Bangui former rebels of the mainly Muslim coalition that seized power in March last year, according to residents and a senior human rights observer.

French leader Francois Hollande on Sunday began a new chapter in his presidency as a bachelor after splitting from his partner of eight years following an affair with a younger actress.

Under intense media scrutiny since the revelation of the affair two weeks ago, Hollande -- who had pledged a "normal" presidency after the domestically turbulent stint of his "bling bling" predecessor Nicolas Sarkozy -- on Saturday formally announced his split from Valerie Trierweiler.