treacherous overland routes, some are. many are running into obstacles with documentation at the border. nbc's molly hunter is at a critical crossing between afghanistan and pakistan who filed this report for us. >> reporter: andrea, good afternoon from the border crossing. i am on the pakistani side. while secretary of state blinken speaking with regional allies after his visit to qatar. this is what's happening directly on the border. you have pakistani guards on this side and taliban guard, i would say two feet away right on the other side of the border. right there is afghanistan, andrea, and i just want to give you a sense. hundreds and hundreds of people are waiting over there. you have women and children, families over there and this is the pedestrian passage, we've been told. we have pakistani guides checking documents on the way in. we were able to speak with one of the taliban guards and they say they have about 20 people who have a serious medical issue and need medical care and need to come over and he also said