Vice President Nicolas Maduro has said that President Hugo Chavez is suffering his "most difficult hours" since his latest cancer operation on December 11.
Holding a copy of the nation's constitution, he called on Venezuelans to "respect Commander Chavez" at this "difficult time".
More top news
The former girl scout became lost on a road trip on the outskirt of the Grand Canyon with no map or phone signal.
Detectives are exploring the movements and criminal past of the middle-aged murderer of many aliases who wrought carnage in central London.
Disney boss Bob Iger said Carrie Fisher appears "throughout" Star Wars Episode 8 Jedi and nothing would be changed using special effects.