Venezuela’s President Hugo Chavez is undergoing “tough and complex” alternative medical treatment in Cuba, his handpicked successor Nicolas Maduro said on Wednesday.

“Our comandante is undergoing additional treatments,” Mr. Maduro told state-owned VTV television after returning from an unannounced visit to Cuba to check up on the ailing president.

“The treatments are extremely tough and complex.”

Declining to provide details about the therapy, the Vice-President insisted that Mr. Chavez was facing his medical travails with a “fighting spirit” despite more than two months of absence from the public eye.

National Assembly President Diosdado Cabello was due to visit Mr. Chavez in Cuba in the coming days, according to Mr. Maduro.

Mr. Chavez (58), has not been seen or heard from since his last cancer operation on December 11 in Havana, and any news about his health is closely monitored by the Venezuelans. Chavez is said to be still recovering at a hospital in Cuba’s capital. — AFP