article_snippet.sent: To most of the outside world, this war-torn country is off limits, the weeks-long battle between Houthi rebels and Saudi-led coalition forces making it too dangerous to visit, and a no-fly zone rendering it international airport all but obsolete -- but on Tuesday, CNN was granted rare access on a desperate aid mission by Unicef, the United Nations Children's Fund.
article_snippet.sent: Unicef hopes there will be just enough time to deliver vital food and supplies, helping to ease Yemen's worsening humanitarian crisis.
article_snippet.sent: Unicef's team has overcome more than one hurdle just getting it this far -- now Unicef's team'll have to work out how to distribute it to those most in need in a country paralyzed by a lack of resources.
article_snippet.sent: But for those who have nowhere else to go and no chance of a flight out, mercy missions by Unicef and other NGOs like it are the only hope.
article_snippet.sent: Bryony Jones contributed to this report .