CHICAGO (AP) — Two Chicago police officers may not have seen or heard the commuter train that fatally struck them because they were focused on another train coming from the opposite direction, a department spokesman said Tuesday. Spokesman Anthony Guglielmi said "very limited" video from a body camera one of the officers was wearing helped investigators piece together how the tragedy might have happened. The officers had run onto an elevated area of the tracks Monday night on the city's far South Side to investigate gunfire.Read more on NewsOK.com