A school that was sheltering civilians. a survival tells cnn s sam kiley how he escaped from the rubble. i got slammed down by a slab, bent into a ball, another explosion, small rocks sprinkled darkness, then i looked and the dust settled and a ray of light appeared. sergey crawled out. then he dug me out. dug uncle tolia out. dug aunt ira out. we crawled all in a fog. and an incredible story of courage and survival. a 15-year-old ukrainian girl drives through battlefields to safety despite being injured and bleeding. cnn s isa soares joins us live from lviv. reporter: and this is yet again another example of what we have seen here of defiance, no matter the age and this story comes all the way from the east of ukraine, not far where the school shelter was reduced to