Lassana Bathily ushered about 15 people into basement room and turned off power and lights after the gunman burst into kosher supermarket.
Number of attacks against mosques in France grows after the terror attack on the offices of Charlie Hebdo last Wednesday.
Stories emerge of how hidden man at besieged printing works fed information to police by text, while a father hid his son in supermarket fridge.
Reports say gunman holding up to 5 hostages in kosher supermarket is linked to Charlie Hebdo killers and is suspect in policewoman murder.
With tension building, Muslim leaders advised veiled women to avoid going out alone and urged members to join in national minute of silence.
For the second night running, in towns and cities across France people honored those who paid with their lives for press freedom.
Unarmed traffic policewoman killed after two armed men opened fire, but so far it is unclear if is linked to Charlie Hebdo magazine massacre.
Total number of tourists who came in 2014 to admire works of art and antiquities including Da Vinci's Mona Lisa was 9.3 million.
The victims, who include two police officers, were killed after hooded gunmen attacked the Paris office of the French satirical magazine.
Three of the deaths were due to hypothermia as temperatures fell to minus 14°C in some areas while the other victims died in a fire at a squat.
Shots were fired this week at a Jewish-owned printers' shop, a kosher restaurant and a synagogue all situated in the north of the capital.
City authorities believe up to two-thirds of holiday lets flout law that law allows short-period apartment rental only if it is a primary residence.
President François Hollande on Monday inaugurated France’s first museum dedicated to the history of immigration in the country, seven years after it officially opened. It was a symbolic occasion which underlined the snubbing of the museum by Hollande’s predecessor Nicolas Sarkozy, whose hardline anti-immigration stance led to the resignations of a number of the museum’s board members. But it also highlighted a new mobilisation of the museum’s management to present both the tragic and positive history of immigration in France amid a rising climate of xenophobia and racism among sections of French society. Carine Fouteau reports on the museum’s own troubled history, and the defiant programme of its new management.
Under new proposals councils would be allowed to grant trading licences on 12 Sundays a year, compared to the current five.
Anne Hidalgo aims to outlaw diesel vehicles in the French capital entirely by 2020 and to limit the number of all cars in city centre.