New YorkWashington denied Sudan’s army chief a visa.
Abdel Fattah al-Burhan missed his UN General Assembly speech while the war keeps widening.
The US sanctioned Burhan last year and, sources say, is pressing Sudan to accept a 90-day humanitarian truce.
The Rapid Support Forces aim for Damazin in Blue Nile after failing to take key towns linking its supply lines.
Sources: Mada Masr