He said that the cabinet instructed the authorities concerned to collect the vehicles and weapons used by the rebels in the attack in order to show them to the public on the scale of the rebel operation.

"The casualties and material losses are still being counted, and the statistics will be announced as soon as being completed," the Sudanese official said.

An anonymous source in the Sudanese Armed Forces told Xinhua that over 60 rebel militants were killed and some 120 others captured during the Saturday fighting at Omdurman, which is the northern gate of the Sudanese capital.

The official SUNA news agency reported that more than 300 rebels had been arrested, and 60 vehicles seized or destructed by Sunday noon, noting that the military commander of the JEM, Jamal Hassan Jala-Eddin was killed by the troops on the outskirts of Khartoum on Sunday.

The Sudanese army said that the operation for searching the remnant rebels who could being hiding at any place, asking local residents to inform if finding any suspected persons.

Possible helps from Chad was another reason behind the adventure in Khartoum of the JEM, which used to limit its military activities inside Darfur, which amounts to one fifth of Sudan's size.

Early on Sunday, Sudanese President Omer al-Bashir announced a decision to sever diplomatic ties with Chad, holding Chad responsible for the rebel attack on the Sudanese capital.

But the Chadian government denied the accusation that N'Djamena was involved in the JEM's attack in Khartoum.