"A commission of inquiry formed by the prosecutor general of Sudan to investigate the events near the military command headquarters [in Khartoum] began operating and is interrogating several witnesses," the source said, adding that the investigation will be completed shortly.
READ MORE: Sudan Health Ministry Denies Protest Death Toll of Over 100, Claims 46 Killed
On Wednesday, the Sudanese Transitional Military Council (TMC)’s head, Abdel Fattah Abdelrahman Burhan, said it was recommended that the Office of the Prosecutor General conducts an impartial investigation into the armed dispersal of the protesters' camp in Khartoum, during which the security forces used firearms and killed 14 people.
On Monday, Sudanese security forces attacked a sit-in protest camp near the military headquarters in Khartoum, firing at the protesters and killing 14.
According to the opposition Central Committee of Sudan Doctors, as many as 60 people were killed in the clashes, hundreds were wounded. Protesters have been demanding the military resign and hands power over to civilian rule since 6 April.
On Tuesday, Burhan held a television address in which he announced the termination of negotiations with the opposition. He called for general elections to be held within nine months and announced forming an interim caretaker government to run the country until then.
READ MORE: UK, Germany Request UNSC Meeting on Sudan - Report
Long-standing popular protests in Sudan culminated in a military coup on 11 April, when then-President Omar Bashir was overthrown and detained after almost 30 years in power.
The TMC took over and pledged to organize new presidential elections within two years. Protesters have remained in the streets demanding that the military yield power to a civilian authority.