` We 're pretty sure we know where it 's at . '' Higher levels of airborne radiation caused alarm , instead of clean air . The late - night alarm occurred with few people around ; no injuries reported . Department of Energy released preliminary results on whether there was a radiation leak .
Higher levels of airborne radiation caused alarm , instead of clean air . The late - night alarm occurred with few people around ; no injuries reported . Department of Energy released preliminary results on whether there was a radiation leak .