Charlie Hebdo will publish a front page showing a caricature of the Prophet Mohammad holding a sign saying "Je suis Charlie" in its first edition since Islamist gunmen attacked the satirical newspaper.
World leaders including Muslim and Jewish statesmen linked arms to lead an estimated million-plus French citizens through Paris in an unprecedented march under high security to pay tribute to victims of Islamist militant attacks.
A policewoman was killed in a shootout in southern Paris on Thursday, triggering searches in the area as the manhunt widened for two brothers suspected of killing 12 people at a satirical magazine in an apparent Islamist militant strike.
Police are hunting three French nationals, including two brothers from the Paris region, after suspected Islamist gunmen killed 12 people at a satirical magazine on Wednesday, a police official and government source said.
Mauritania on Thursday condemned a man to death for "insulting the prophet", a human rights group said, a day after the country opened the trial of an anti-slavery activist.
A senior leader of al Qaeda in Yemen has criticized beheadings by Islamic State (IS) fighters as un-Islamic, and said his own group had banned such acts.
Islamic State, a Sunni Muslim militant group, has seized a third of Syria and large areas of Iraq and this year proclaimed a caliphate across the two countries in the heart of the Middle East.
