The wife of jailed Islamist leader Hassan al-Turabi complained that dozens of supporters of his Popular Congress party remained in detention under the emergency laws.

"The state of emergency is still in force and the prisons are still full of political detainees," said Wisal al-Mahdi, who is also a party official.

Mahdi complained that 70 Popular Congress members "are still in detention and our offices all over the Sudan are closed down."

She said she had not seen her husband for 50 days as her requests to visit him in prison had been rejected.

Mahdi said that Sunday's peace deal with the rebel Sudan People's Liberation Movement should be followed by the granting of unrestricted freedoms to all opposition groups.

The deputy leader of one of Sudan's mainstream opposition factions, the Democratic Unionist Party, meanwhile cautioned that the agreement with the SPLM would not bring peace to the whole country.

"It is a start, not an end, and it is a long way between the two points," said Ali Mahmud Hassanain.

Sunday's agreement "does not achieve a comprehensive peace all over the Sudan... there is war going on in Darfur... there is fire under the ashes in the east... there are grievances and demands in the north and centre... peace is achieved only by stopping the war everywhere in the Sudan," he said.

Hassanain was referring to separate uprisings by ethnic minority rebels in Darfur and the east, and the northern opposition's brief resort to armed resistance in the late 1990s.

His party only reopened its Khartoum offices last week after being outlawed with other factions following the 1989 coup that brought President Omar al-Beshir to power.

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