The president made the threat while a bipartisan group of US lawmakers were visiting Denmark in the hope of easing tensions over the territory.

President Museveni has about 75% of the vote with results in from more than half of all polling stations.

Reza Pahlavi, a US-based opposition figure, called on the world to target Iran's Revolutionary Guards leadership.

The opposition leader says she has a mandate to lead the country after the US seized its president.