US-led talks on the 16-month civil war in Sudan opened in Switzerland on Wednesday, with the discussion centring on humanitarian assistance for millions facing hunger and displacement amid the brutal conflict. Only one of the two warring parties accepted the US invitation to the talks, with the Sudanese Armed Forces (SAF) choosing to shun the meeting. A power struggle between the army and paramilitary Rapid Support Forces (RSF) has been raging in the African country, which lies south of Egypt, since April 2023. “Belligerents must respect international humanitarian law and enable humanitarian a…