Chilean Interior Minister Andres Chadwick said: "This doesn't necessarily mean the volcano will start erupting.
"But according to the Sernageomin (National Geological and Mining Service), the volcano is now in a process that could culminate in an eruption, for that reason we've issued a red alert and the evacuation."
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Amanda Holden has told ITV News of the "horrendous" moment she feared her sister had been caught up in a deadly avalanche on Mount Everest.
Kim Kardashian has said she is "really happy" her step-father Bruce Jenner has found "inner peace" as he transitions to become a woman.