HAMILTON, Canada UN Special Envoy for Yemen Hans Grundberg warned Monday that the country's unresolved conflict risks both amplifying regional rivalries and being further destabilized by broader instability in the Middle East. "Stability in Yemen cannot be separated from the wider dynamics of the region. Yemen's unresolved conflict is like a fault line, sending tremors across its borders and amplifying existing regional rivalries," Grundberg told the UN Security Council. "In other words, Yemen