Hello. Welcome to the bbc news at one. The us Secretary Of State, Antony Blinken, has made a surprise visit to ukraine, wheres he met president zelensky, as more western weapons start to get through to the battlefield. The area in red there is russian controlled, and on the frontlines, mr zelensky says its been a tough period for his troops. In particular, they are struggling to hold back moscows forces near the second largest city, kharkiv. And a new front has opened up nearby, with Russian Forces starting to surround the border town of vovcha nsk. Our correspondent James Waterhouse reports from ukraine. Good morning, state secretary. Nice to meet you again. Thank you so much. A nine hour Sleeper Train is still the best way to kyiv, even if youre americas top diplomat. A quick switch to a more familiar motorcade, before a long day of meetings. First up for Antony Blinken, president zelensky. Its not a simple period for ukraine. And a tough period for the east of our country, for our w