US President Donald Trump’s senior envoy for Arab and African affairs said peace negotiations in Libya and the Democratic Republic of Congo were progressing, and his team was working hard to pursue a ceasefire in Sudan.

“We think it’s achievable,” Massad Boulos said in an interview in Rome of a deal in Libya, which has been mired in chaos since the ouster of Muammar Qaddafi in 2011. “You can’t expect a peace process to be implemented overnight,” he added. “I hope that this process moves fast.”

The United Nations will soon call for a new round of talks to try to achieve peace in the North African country, with the US simultaneously working to reunify the National Oil Corporation as well as the central bank, according to the envoy, who was visiting the Italian capital for meetings with African dignitaries.

“Let’s not forget that this conflict has been going on now for a very long time, for many years,” Boulos said. “Same thing with DRC/Rwanda.”

The US had no information to suggest any of the Russian forces who pulled out of Syria in the wake of the fall of the Assad regime had deployed into Libya, he said, while noting continued Russian activity in the Niger, Sahel and Burkina Faso.

Since returning to the White House in January, Trump has pared back African nations’ preferential access to US markets and scrapped most aid to the continent, while prioritizing bringing an an end to a series of long-running conflicts. He’s had partial success, persuading Congo, Rwanda and a rebel group to agree a peace deal to bring an end to years of fighting that’s killed thousands and displaced millions, though skirmishes have continued since then.Boulos sounded the alarm on Sudan, saying it was “currently the world’s biggest humanitarian crisis,” and the US is working alongside the UN and aid agencies to address it.

The situation is especially dire in the city of El Fasher, “which has been under siege for the last year and a half’,” he said. “People are really suffering. We have probably about 300,000 people remaining inside El Fasher with no food and no medical care. They’ve been eating animal feed lately.”

Trump’s envoy said he was engaging Saudi Arabia, the UAE and Egypt to achieve a three-month ceasefire in Sudan, describing that, along with ending the siege of El Fasher, as his “top priority.”

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Boulos said that he was hopeful the Gaza ceasefire would hold even if there are flare-ups in fighting, paving the way for broader normalization between Israel and the rest of the Arab world.

“This is unprecedented. There has never been any plan that has had so much support. So we strongly believe that it will hold,” he said. “Things may not always be very smooth. There will always be some hiccups, but that’s the nature of these sorts of conflicts. There will always be some challenges but they will be resolved.”

Peace talks could expand to Syria and Lebanon, where there has been ample diplomatic activity in recent weeks, said Boulos, whose son Michael is married to Trump’s daughter Tiffany.

“In fact, this week, the President of Lebanon has started to talk about direct dialog with Israel, and that’s a good start,” he said. “We have been urging them to start this dialog, so we hope it will happen as soon as possible.”