US Secretary of State Rex Tillerson has cancelled scheduled events in Kenya on Saturday because he is feeling poorly.

Issuing an ambiguous threat to Venezuela, US Secretary of State Rex Tillerson said the army has often been an “agent of change” in the Latin American country and beyond in cases when leadership “can no longer serve the people.”

Echoing previous administrations, Secretary of State Rex Tillerson has said the “new” strategy in Syria will involve a long-term American military presence and regime change in order to secure US interests.

Washington claimed it is where Syrian jets allegedly carrying chemical weapons munitions took off to launch an assault on a rebel-held town in Idlib Province on April 4. Damascus denied the allegations.

Under President Barack Obama, the United States made Assad’s departure one of its key objectives.

US Secretary of State Rex Tillerson and Homeland Security Secretary John Kelly are visiting Mexico to repair frayed relations between the two nations.

Earlier comments from the Russian Foreign Ministry suggested that Syria and sensitive bilateral issues would be discussed at the meeting.