as you head down there last night there were buses blocking the way. as you move down towards some of the brand hotels there. that are in this upscale part of istanbul. it must be a -- for those facing the police advance, in many ways, a terrifying situation. >> i think we are just sort of lucky to have a change of wind during this hour where you have been able to report without a gas mask. i've seen you on since 5:00 this morning with that gas mask and battles against those clouds of tear gas that have pervaded that entire area. on the left-hand side of your screen, a few riot police, firing their tear gas cannons, indiscriminately it seems. maybe strategy we don't see. on the right, the reuter shot of taksim square. from above it doesn't look as dire as it does from street view. listen, nick, there does not seem to be any chance that these kinds of factions while this is