Nightly News | March 02, 2011
>>> two members of the u.s. air force on their way to afghanistan were killed. two others were badly injured today when a gunman opened fire on a u.s. military bus at the airport in frankfurt, germany. a 21-year-old man was arrested at the scene. a relative says he is a german muslim who worked at the airport. german police aren't ready to call this an act of terrorism, but they so far aren't ruling it