News of the downed Malaysian Airlines plane is spreading fast.<br/> <br />As investigators arrive at the crash scene in eastern Ukraine, U.S. President Barack Obama relays the news to an audience in Delaware.<br/> <br />(SOUNDBITE) (English) PRESIDENT BARACK OBAMA SAYING:<br/> <br />"It looks like it may be a terrible tragedy."<br/> <br />Dozens of bodies were scattered around the jet's smoldering wreckage, which was spread across an area up to about 15 kilometers in diameter.<br/> <br />Ukrainian officials have blamed terrorists using a ground-to-air missile.<br/> <br />Rebels have denied shooting the plane down.<br/> <br />Obama said they are in contact with Ukrainian officials.<br/> <br />(SOUNDBITE) (English) PRESIDENT BARACK OBAMA SAYING:<br/> <br />"The United States will offer any assistance we can to help determine what happened and why."<br/> <br />A Ukrainian official said all 295 people aboard the plane were killed.<br/> <br />(SOUNDBITE) (English) PRESIDENT BARACK OBAMA SAYING:<br/> <br />"Our thoughts and prayers are with all the f
