Ukrainian president to meet Biden and Harris but it is unclear if he will receive clearance to use US missiles deep into Russia

Agence France-Presse (AFP) has more detail on the comments by Kremlin spokesperson Dmitry Peskov (see 10.45am BST).

“It must be considered a specific signal. A signal that warns these countries of the consequences if they participate in an attack on our country by various means, not necessarily nuclear,” Peskov told reporters of changes outlined by president Vladimir Putin to Russia ’s nuclear weapons documents.