Tweet @BBC_HaveYourSaypublished at 10:43 Greenwich Mean Time 9 January 2015
is tweeting, external from a school in Dammartin-en-Goele: "Being away from family at times like this I just want to cry." (translated)
French forces storm two separate hostage sites in and around Paris on 9 January, killing three hostage takers
Charlie Hebdo suspects Said and Cherif Kouachi killed at a printing warehouse north of Paris
One employee trapped in the printing works was rescued
Hostage-taker, named by officials as Amedy Coulibaly, also killed in assault on Paris supermarket
Four hostages killed and another four seriously injured at the supermarket, officials say
Julia Macfarlane, Sarah Fowler, Thom Poole, Stephen Robb, Yaroslav Lukov, Aidan Lewis, Kerry Alexandra and Bernadette McCague
is tweeting, external from a school in Dammartin-en-Goele: "Being away from family at times like this I just want to cry." (translated)
The siege is taking place at a CPT printing company building in an industrial zone in the town of Dammartin-en-Goele.
Chris Morris
BBC News, near Dammartin-en-Goele
reports that French media sources say police have made contact with the two suspects, who are quoted as saying they are prepared "to die through martyrdom".
tweets:, external There's a hyper tense atmosphere. (translated)
The French leader also says "we must act at the European level", confirming a meeting of interior ministers of the concerned countries on Sunday.
Mr Hollande stresses that security measures must be taken for the demonstrations and gatherings expected in France and that "all citizens are welcome".
AFP Photo Department tweets:, external Special forces stands on the roof of a building in Dammartin-en-Goele where a hostage-taking is underway #AFP
President Hollande admits that the authorities knew "attacks were possible".
From a school close to the site of the siege in Dammartin-en-Goele, Marion Geney tells the BBC: "We are really scared in the high school.
"We all call our parents to know if they are OK or not. And yes we have to wait. They say to us to stay in the high school and to be calm but we can't because we are really scared."
Thomas in Dammartin-en-Goele tweets, external: Dammartin is the focus of France right now. Unfortunately not for the right reasons. (translated)
French Interior Ministry spokesman Pierre-Henry Brandet, quoted by Reuters speaking to French TV channel iTele, says: "We are almost certain it is those two individuals holed up in that building."
French President Francois Hollande is now speaking at a meeting at the Interior Ministry.
Here's a mini-gallery of the fast-changing situation in Dammartin-en-Goele.
The Paris correspondent for The Guardian Angelique Chrisafis tweets, external: Yves Albarello, UMP MP for Seine-et-Marne has told @itele: "the two fugitives declared they wanted to die as martyrs."
More on Paris' Charles de Gaulle airport (see 09:46 entry): the airport authorities now tell the BBC that for the moment there have been no flight cancellations and all runways are open. However, officials have adapted landing and take-off patterns in consideration of the situation.
French Prime Minister Manuel Valls, quoted by AFP news agency, says: "We are in a war against terrorism. We are not in a war against religion."
Le Monde says that an emergency alert plan has been activated for the Meaux health region.
"Plan Blanc" mobilises personnel in cases where there is a risk of a high number of casualties.
tweets, external: Firefighters out of the area #DammartinEnGoele #CHARLIE_HEBDO @ParisMatch (translated)
In a separate development, French media reports say police have now identified the suspected killer of a policewoman in the Paris suburb of Montrouge on Thursday. The shooting is said to be unrelated to the Charlie Hebdo attack.
Large numbers of French security forces are involved in the operation in Dammartin-en-Goele.