House Speaker Jacob Mudenda made the announcement while legislators were impeaching him.
The National Oceanic and Atmospheric Administration said a weak La Nina has formed and is expected to stick around for several months. La Nina is a natural cooling of parts of the Pacific that alters weather patterns around the globe
Zimbabweans on Saturday staged an unprecedented anti-Robert Mugabe protest in Harare backed by the Zimbabwe Defence Forces in what may signal the end of the 93 year old president's rule. (Pictures: VOA reporters)