President Michael Sata has told Defence Minister Geoffrey Mwamba to stop endorsing him.
And Sata has challenged PF officials interested in challenging him to come out in the open.
Speaking before a joint Cabinet and PF Central committee meeting at State house this morning, Sata said anyone in the Patriotic Front is free to aspire for the presidency.
Satasince challenged PF senior officials harbouring presidential ambitions to declare their intentions rather than attacking each other in the public.
Sata has also told his Ministers not to keep quite but respond to all allegations from the opposition political parties against government.
President Sata expressed disappointed that Cabinet Ministers have been quiet despite all the noise coming from the opposition.