The union concerned for countrys democratic gains as President Kais Saied has failed to announce a political plan.
Analysts warn rising political tensions risk derailing transition towards full civilian rule.
Protesters in Sudan are demanding the resignation of the interim government.
Abdalla Hamdok presents steps to end what he calls worst and most dangerous political crisis in two-year transition.
There has been political infighting after comments she made to the BBC about the 1988 Lockerbie bombing.
Antony Blinken said the US position will not change until there is irreversible progress towards a political solution.
The move comes as the UN is working to find a way out of a political impasse since the military seized power last week.
Growing number of protesters raises possibility of Tunisias political divisions spiralling into street confrontations.
Shocking election results reveal how King Mohammed VI has survived the Arab Spring and its aftermath.
The president cuts the powers of the prime minister, who remains defiant.