(CNN) The streets of the Sudanese capital were mostly deserted Sunday, the first day of the country's Islamic working week, amid a mass general strike called by opposition groups.

The move to shutdown Khartoum -- a city of some two million people -- came as four more people were reported to have been killed, bringing the total the total death toll to 118 people following last Monday's bloody military crackdown, according to the Central Committee of Sudan Doctors.

In a statement, Sunday, the committee said one of the victims was a 20 year old man, killed with a direct gunshot to the chest by the Rapid Support Forces, known as the Janjaweed, a paramilitary group that supports the government.

Sudanese soldiers stand guard a street in Khartoum on June 9.

Two others died after "having been beaten and stabbed" by Rapid Support Forces, according to the committee, though it is unclear on what day they sustained their injuries.

The Sudanese Professionals Association (SPA), a body that led protests against former leader Omar al-Bashir, said the civil disobedience campaign will only end when the ruling generals "transfer power to a civil transitional authority in accordance with the Declaration of Freedom and Change (DFC)."

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