that lasts through to thursday morning. in southern ukraine, evacuation buses and aid trucks remain blocked from entering the besieged city of mariupol. on tuesday, hundreds of cars were able to leave the port city along a humanitarian corridor. the ukrainian president, volodymyr zelenskyy, has said negotiations with russia are beginning to sound more realistic with further talks due to take place over a video link on wednesday. mr zelenskyy is due to address the us congress in the coming hours. vika kaminsta fled kyiv and is now in utrecht, in the netherlands. on herjourney through poland, she volunteered as a translator and interpreter for the thousands of people passing through. shejoins me now. welcome. thank you forjoining us. tell us more about how you got to poland in the first place and what yourjourney poland in the first place and what your journey was like. poland in the first place and what yourjourney was like. poland in the first place and what yourjourney was like. we