He urged the citizens to cooperate and provide their testimonies that may help in the ongoing investigations on the deaths of the people, reports Xinhua news agency.
Ibrahim further reiterated continuation of the investigation on the reports of death, injury and destruction.
He noted that the investigation committees demand the relatives of the victims or the lawyers to provide statements that may help in the investigation process.
On December 31 last year, Sudanese President Omar al-Bashir issued a decree to form a fact-finding committee to investigate the recent protests in Sudan.
Since December 19, 2018, various areas in Sudan, including Khartoum, have been witnessing popular protests over the deteriorating economic conditions and price hikes of basic commodities.