This Day (Lagos)  Nigeria: Boko Haram - U.S. Raises Concern Over
Extra-Judicial Killings  The United States Government has raised
concerns over the alleged extra-judicial killings, arbitrary
arrests and detention of suspected members of the Boko Haram
sect by Nigeria's security forces.      Also present at the
meeting were the US Deputy Assistant Secretary of State, US
Bureau of Democracy, Human Rights and Labour, Ms. Karen
Hanrahan, and the country's Ambassador to Nigeria, Mr. Terrence
McCulley.  A statement yesterday by the Ministry of Foreign
Affairs, quoted Posner as saying that the war against Boko Haram
could not be won by sheer force alone.  Terrorism, he said, was
a huge and complex challenge but one that demands a rules-based
approach to avoid impunity on the part of security and police
forces.  Ashiru, however, refuted allegations that Nigeria's
security forces and police officers had engaged in extra-
judicial killings and arbitrary detention of suspects, adding
that the rules of engagement for the