supreme court un refugee agency warns of potential polio cases in ethiopian camps former milwaukee police officer convicted of civil rights violation for sexual assault of milwaukee woman libya: un official impressed by pace of returns to cities emerging from conflict first-degree murder un refugee chief calls for greater efforts to avert humanitarian crises un warns un envoy reports political underage marriage among displaced central africans defenses defense lawyer people un and south sudan in joint effort to reduce maternal mortality clean water new un report says operator of detroit school and day care pleads guilty to tax evasion arithmetic award world must welcome 7 billionth citizen with sustainable future new guidance supports voluntary efforts to promote diversity and reduce racial isolation in education former chicago police officer pleads guilty to racketeering and related charges for involvement with latin kings gang religion apply threats result answer former employee of parsippany mortgage lender pleads guilty to fraud three un refugee agency staff killed in afghan suicide attack stenosis department of justice challenges south carolinas immigration law los angeles activists lawyers illness fugitive arrested by the fbi and the usms un calls on egypt to ensure basic rights ban says federal bureau of investigation behalf death penalty