geneva unite nations refugee agency voice alarm monday u.s. president donald trump decision suspend entry refugees say week alone 800 people set make america new home bar cause anxiety heartbreak estimate 20,000 refugees precarious circumstances would resettle unite state 120 days cover suspension announce last friday u.n. high commissioner refugees unhcr say statement refugees anxious confuse heartbroken suspension already lengthy process say accept resettlement unite state rigorous u.s. security screen process come rebuild live safety dignity unhcr hop able soon possible say u.n. refugee agency hop resettlement resume soon u.s