welcome to the programme. the un secretary—general, antonio guterres, has been in kyiv today hoping to shore up a deal struck that was between ukraine and russia in the summer to allow for the export of grain from both countries. the agreement, which was brokered in turkey and is overseen by the un, must be renewed by 18 march, but there's concern, moscow will refuse to renew it. the deal also aimed to facilitate the export of "russian" food and fertilisers. moscow says those shipments are still being disrupted by us and european sanctions. exports of ukrainian, as well as russian food and fertiliser are essential to global food security and food prices. i want to underscore the critical importance of the rollover of the black sea grain initiative on 18 march, and are working to create the conditions to enable