if i can go back to brussels to alastaire macdonald. the u.s. embassy has ordered u.s. citizens to shelter in place. for some of the viewers who are not familiar, describe for us what a typical or average tuesday morning would have been like at around 8:00 a.m. in a european capital like brussels. >> well it's the rush hour. it's a bright, sunny morning. brussels is an unusually traffic-heavy city for europe, but the metros and trams would have been full of a lot of people coming in from the suburbs and the countryside and on the suburban train network. and there's a lot of heavy traffic. a lot of people drive to work. and all of that would have been disrupted. the airport is on the main ring road around the city. it's a city of a million people, it's not particularly huge. but it is the time that everybody would be coming to work. there was a good deal of a disruption although it took time for news to filter through. i came through the streets at about 8:30 and it seemed pretty normal. most people seemed unaware, everything was running. but by 9:30 -- it's now after 10