Thousands flee turmoil in syriaanother great headline: it works because the headline writer has made a special effort to distill lengthy wording into single wordsthousands - this stands in for as many as 30,000flee - this stands in for may have fled. this is not inaccurate. if the number could be as high as 30,000, certainly the real number is at least in the thousands. so you are on solid ground in using flee instead of may have fled. also remember that we try to use present tense instead of past tense in headlines, even if the event occurred in the past. e.g. gunman kills 16 in colorado theater rampage.turmoil is a good word to describe what is going on in syria. it is not as detailed as intense fighting but it does the trick.