People gather in front of the Notre Dame Cathedral in Paris in Paris during a minute of silence for victims of the shooting at the Paris offices of weekly satirical newspaper Charlie Hebdo on Wednesday

People gather in front of the Notre Dame Cathedral in Paris January 8, 2015 during a minute of silence for victims of the shooting at the Paris offices of weekly satirical newspaper Charlie Hebdo on Wednesday. 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/Jacky Naegelen (FRANCE – Tags: CRIME LAW RELIGION)