France's prime minister said an attack on a factory Friday was "Islamist terrorism," announcing he was cutting short a visit to South America to deal with the crisis.
"Islamist terrorism has hit France again," Manuel Valls told a press conference in Colombia's capital Bogota, adding that he would take part by telephone in an emergency meeting called by President Francois Hollande, then rush back to France.
In Friday's attack a severed head was pinned to the gates of a factory in eastern France.
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