thank you very much forjoining us with your assessment of what is really a fast changing situation on the ground. a dangerous situation for ukrainians in the capital kyiv this morning alone there has been three soundings of the air raid sirens warning residents of the city that they have to take cover, that i russian air attack could be imminent and yet this is a morning where people are caught with relief, emerging from that 36 hour curfew, filling the shops, emptying the shelves, not knowing when they will have to go underground again. tonight at ten o'clock the curfew will come into force again and if need be it could start even sooner and go on even longer. we'll bring all the developments from here in kyiv and across the country but back to you in london. western sanctions have rocked the russian economy, with the central bank having to double its key