State of emergency across France could be extended for three months
Mastermind behind French attacks named as Belgian Abdelhamid Abaaoud
French President Francois Hollande says he is committed to "destroying" Islamic State
French security officials believe Belgian militant planned attacks
French prosecutors identify two more of the attackers - as hunt continues for another key suspect
All times in GMT
Sunday's attack killed 129 people. Hundreds were injured.
Briton Nick Alexander died at the Bataclan concert hall. His family said in a statement: "Nick was not just our brother, son and uncle, he was everyone's best friend - generous, funny and fiercely loyal."
Read more on the victims of the Paris attacks., external
Image source, OtherThe BBC's correspondent in Sydney, Australia tweets...
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French Foreign Minister Laurent Fabius said world leaders had told him they would still attend the COP21 climate summit at the end of the month.
"They said: 'Not only were we planning on coming, but we have to come, because we have to show to these terrorists that we're not afraid of them'," Mr Fabius told the BBC.
French Foreign Minister Laurent Fabius has been speaking to the BBC's Paul Adams at the G20 summit in Turkey. Mr Fabius said he had been struck by the "very strong solidarity" shown by all leaders.
"Not one of them failed to start by saying 'we stand with the French people and we ask you to convey to the president our friendship and support'."
More details on the air strikes France has carried out on Islamic State's Raqqa stronghold. France says 12 aircraft were involved, including 10 fighter jets. The strikes, targeting sites identified during earlier reconnaissance missions, were conducted in co-ordination with US forces, says the defence ministry, external (in French).
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The Brazilian cities of Sao Paulo and Rio de Janeiro are among many locations around the world to hold memorials for the victims of the Paris attacks.
Image source, AFP
Image source, AP
Image source, EPAUS President Barack Obama has ordered that flags at the White House, at public buildings and grounds, military posts and on naval vessels are to fly at half mast to honour the victims of the Paris attacks.
They will be flown at half mast until Thursday.
There have been a number of angry posts on social media from Syrians and other Arab nationals following the news that a Syrian passport has been linked to one of the Paris attackers.
People are expressing disbelief that a suicide bomber would be carrying a passport.
Sarajevo, no stranger to violence on its streets, was one of many cities paying tribute to the Paris victims last night, with the city hall lit up in the colours of the Tricolor.
Image source, APAFP news agency's France correspondent tweets...
France says 12 planes were involved in the air strikes on the IS stronghold of Raqqa in Syria, dropping 20 guided bombs targeting a command post and recruitment centre.
The brother of a man wanted over the Paris attacks has been named as one of the dead attackers by AFP news agency.
Salah Abdeslam's brother Brahim died after setting off his explosives-laden suicide belt near a cafe in Paris' 11th district, the news agency quotes investigators as saying.
A third brother Mohammed, who was arrested in Molenbeek while returning from Paris, is still in custody, AFP reports.
Information continues to emerge about those killed in the Paris attacks.
Watch a video montage here of the confirmed victims.
People continue to search for the missing, using the hastags #rechercheParis (searching Paris) and #rechercheBataclan on social media.
The UK's Metropolitan Police said its counter-terrorism officers were in the process of speaking to people returning from France who may have information relating to the attacks in Paris.
A statement said: "Any witness to the terrorist attacks who is recently returned but has not previously spoken to police, should contact the Metropolitan Police via the confidential Anti-terrorist hotline on 0800 789 321."
BBC duty editor tweets...
A little earlier we showed you a picture of the tricolour projected onto the Great Pyramid of Giza in Egypt.
But that wasn't the full story, as they also included the Lebanese and Russian flags.
At least 41 people were killed in two suicide bombings in the Lebanese capital of Beirut on Friday.
And last month 224 people on board Metrojet Flight 9268, flying from the Egyptian Red Sea resort of Sharm el-Sheikh to the Russian city of St Petersburg, were killed after it crashed in the Sinai.
Western officials have said there is a strong possibility that a bomb exploded on the plane.
So-called Islamic State has claimed responsibility for both.
Image source, ReutersThe French Navy has released footage showing warplanes taking off to carry out strikes in the Syrian city of Raqqa, Islamic State's stronghold.
Image source, French ECPAD
Image source, French ECPADDr Philippe Jouvain was working in a Paris hospital during the attacks. He said what he saw on Friday was worse than his time working in Afghanistan.
"It was very similar to a war situation. Some received trauma in the thorax, some received trauma in the abdomen. Others - legs, arms, etc. It was very complex."
A Parisian doctor told us he'd never seen anything like the scenes on Friday night.
The G20 summit in Turkey, which normally focuses on economic matters, has inevitably been overshadowed by events in Paris.