Luxembourg, 20/06/2011 (Agence Europe) - EU foreign ministers expressed “extreme concern” on Monday 20 June about violence in Yemen, and urged all sides to cease hostilities. “Violence cannot resolve the issues that confront Yemen. Those who stand in the way of peace must be held accountable, and those responsible for violence against peaceful protestors must be brought to justice”, they said in written conclusions from their talks in Luxembourg. Yemen's political crisis began as...