CAIRO - Egypt's parliamentary speaker said the chamber would reconvene on Tuesday, risking a showdown with the army after the new, Islamist president defied the generals by quashing the dissolution of the legislature they had ordered last month.

Quoted by the state news agency on Monday, Saad al-Katatni, who like Egyptian President Mohamed Mursi hails from the long-suppressed Muslim Brotherhood, said the lower house would sit from noon (1000 GMT) on Tuesday, overturning a court judgment and military order issued a month ago, before Mursi's election.

The move, heralded by a decree issued by Mursi on Sunday, barely a week after he took office, threatens Egypt with fresh political uncertainty likely to take a toll on a fragile economy and dash the hopes of many desperate for a period of calm after 17 turbulent months since the overthrow of Hosni Mubarak.

However, in a signal that relations have far from broken down between Mursi and the army, the president and the head of the military council appeared together, looking relaxed and in conversation, at a televised event on Monday morning.

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