CARACAS, Venezuela (AP) — Vice President Nicolas Maduro surprised Venezuelans with a Christmas Eve announcement that President Hugo Chavez is up and walking two weeks after cancer surgery in Cuba, but the news did little to ease uncertainty surrounding the leader's condition.

Sounding giddy, Maduro told state television Venezolana de Television that he had spoken by phone with Chavez for 20 minutes Monday night. It was the first time a top Venezuelan government official had confirmed talking personally with Chavez since the Dec. 11 operation, his fourth cancer surgery since 2011.

"He was in a good mood," Maduro said. "He was walking, he was exercising."