ukraine's embattled president, volodomyr zelensky, says his country's defences are holding out, and "we have nothing to lose but our freedom". but it comes as the port city of kherson in the south falls to the russians, the first major urban area to be taken. elsewhere, that large column of russian military vehicles heading here to kyiv, on the northern approach road, remains within 20 miles or so of the capital. today, russia's foreign minister, sergei lavrov, said moscow was ready for talks to end the fighting, but would not stop targeting the country's military infrastructure. our first report is from our kyiv correspondent, james waterhouse. it's taken eight days of this war for ukraine's first major city to fall, the southern port city of kherson, where the mayor said he was visited by armed guests. they are now imposing a curfew. in mariupol in the south east, it's been another day of heavy shelling.