Venezuelan vice president says post-surgery process to be 'complex and hard' for Hugo Chavez

Venezuela's vice president says President Hugo Chavez will face a "complex and hard" post-surgery process after undergoing his fourth cancer-related operation in Cuba.

Vice President Nicolas Maduro made the announcement on Wednesday in Caracas. Chavez underwent the surgery on Tuesday.

Maduro called for Venezuelans to calmly face what he says will be "hard, complex and difficult days" that lie ahead.