Venezuala's President is said to be in a "delicate" condition after his latest cancer surgery in Cuba.

Government ministers and soldiers held special prayers for Hugo Chavez after his fourth round of treatment for the disease.

Nicolas Maduro, the vice-president, is calling for national unity to face what he calls the "hard days" ahead.

Al Jazeera's Tereso Bo reports from Caracas.

Source: Al Jazeera