Egypt’s interim President Adli Mansour, who was sworn on Thursday, is expected to announce a constitutional declaration within hours, media reports said.
The Anadolu News Agency said that the expected declaration will be temporary.
Sources told the agency the declaration will dissolve Shura council, the upper house of Egypt's Islamist-led parliament.
The announcement is also expected to call for a technocrat government and set a constitution-amending committee.
The fate of the 270-member Shura council, elected in February 2012, remains to be unknown after President Mohamed Mursi was overthrown by the army on Wednesday.
Defense minister Abdel-Fattah El-Sissi, head of the armed forces, said the decision was taken after millions of Egyptians demonstrated for four days against Mursi.
Mansour was sworn in the next day at the Constitutional Court in a ceremony aired live on Al Arabiya television.
According to military decree, Mansour will serve as the country’s transitional president until a new leader is elected.