Mr Turk said the recent fighting in Sudan had killed hundreds of civilians and forced more than one million people to flee the violence.
Earlier on Saturday, U.S. Secretary of State Antony Blinken said representatives of the Sudanese army and the rival paramilitary Rapid Support Forces (RSF) had agreed on a seven-day ceasefire.
Sudan denounced “the barbaric behaviour of the rebel RSF” and called on the international community to condemn it “in the strongest terms.”
A statement from the paramilitary group on Monday said the attacks “killed and injured dozens of innocent people.”
Ms Gardood regularly made live videos on social media, particularly Facebook, talking and writing intensively against the ongoing war.
Despite Mr Burhan’s invitation to the Jeddah summit, he is not expected to leave Sudan for security reasons, two other diplomats in the Gulf said.
But both sides have made it clear they would only discuss a humanitarian truce, not negotiate an end to the war.
As of Thursday, 13 Kyrgyz citizens had been evacuated from Sudan, including three working at the UN office in Khartoum.
According to HRW, witnesses in Khartoum reported that anti-aircraft guns were set up and fired in the immediate vicinity of residential buildings.
A ceasefire in Sudan that came into force on Thursday has already been broken, with airstrikes and heavy shelling reported near the presidential palace in the capital Khartoum.
