cairo unite nations secretary-general antonio guterres warn wednesday abandon idea two-state solution israeli-palestinian conflict say alternative alternative solution situation palestinians israelis solution establish two state do maintain say visit cairo idea palestinian state live side-by-side israel underpin middle east peace efforts decades though last u.s.-brokered negotiations break 2014. senior white house official say tuesday peace necessarily entail palestinian statehood u.s. president donald trump would try dictate solution trump washington news conference hold guterres speak leave question open say would work bring peace israel palestinians would party ultimately reach agreement two leaders meet palestinians warn white house abandon goal independent state palestinians seek state israeli-occupied west bank east jerusalem gaza strip even notion u.s. retreat internationally back goal future palestine exist alongside israel alarm trump administration reject policy would destroy chance peace undermine american interest stand credibility abroad say hanan ashrawi senior member palestine liberation organization speak late day cairo university guterres stress need pursue two-state solution forget mother conflict israeli-palestinian conflict say wide-ranging speech important stress opinion ... plan two-state solution guterres early month condemn israeli parliament move legalize thousands settler home occupy west bank say go international law legal consequences israel israeli law move retroactively legalize 4,000 settler home build privately own palestinian land guterres also defend week choice former palestinian prime minister salam fayyad u.n. envoy libya unite state raise objections say unite nations bias israel u.n. chief say two-state mideast solution way