Knife attack leaves 1 dead, several wounded

Four people are in custody following the deadly stabbing in eastern France that authorities have linked to Islamic extremism.
It follows a series of bomb, gun and knife attacks carried out by Islamic State and al-Qaeda operatives across France, that have left the country on high alert for extremist threats.
A fatal stabbing in eastern France resulted in three police officers injured. The suspect, an Algerian man with a history of ...