The front pages of daily papers are displayed in a newspaper kiosk in Nice the day after a shooting at the Paris offices of Charlie Hebdo

The front pages of daily papers are displayed in a newspaper kiosk in Nice, January 8, 2015. (File photo: Reuters)

The front pages of daily papers are displayed in a newspaper kiosk in Nice, January 8, 2015, the day after a shooting at the Paris offices of the weekly satirical magazine Charlie Hebdo. France began a day of mourning for the journalists and police officers shot dead on Wednesday morning by black-hooded gunmen using Kalashnikov assault rifles. REUTERS/Eric Gaillard (FRANCE – Tags: CRIME LAW MEDIA)

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