welcome to bbc news. i'm rich preston. our top stories: the us announces a further $1 billion in military aid for kyiv and urges allies to provide more weapons to help ukraine battle russian forces. police searching the amazon for two missing men say they've found human remains. more than a million children in afghanistan, are facing malnutrition, as the country struggles with an economic crisis. we hear from families desperately trying to survive. i feel ashamed ifeel ashamed in i feel ashamed in front of my family that i am so poor, i cannot afford to provide good food. my sons are really thin because they are not eating well.