. >> isabella ross and yay came to open the belgium restaurant more than 4,000 miles away and 16 years later their worst fears came true. >> you just panic, you don't know what to think. it is a big cloud that comes over you, you know? >> their families live 1 hour from brussels. >> they are all in shock, they don't believe that can happen in belgium, or any country. you saw what happened 9/11, happen in europe and belgium. >> they said with the unrest in europe and paris, they knew something like this would happen. >> the worst than expectation but to have it happen is just shocking. >> they said the country will never be the same. >> it is always in the back of your mind, you know, because things happened, but you never think it will be in your home country or something, or close by to your family. >> one of yan's brother was at the same airport yesterday, obviously he is very grateful tonight he wasn't there today. jen. >> really touching they would share their day with you, what about security concerns for upcoming events? what are the worries there? >> you know, there is a big soc