“Moscow will take appropriate response measures” if the West maintains its “aggressive line”, says Lavrov
US Secretary of State Anthony Blinken says the document delivered to Russia presents a diplomatic path forward if accepted.
For his part, Russian Foreign Minister Sergei Lavrov threatened an appropriate response if the West maintained what he called its "aggressive line."
And NATO warns that the alliance is "prepared for all contingencies" in case Russian President Vladimir Putin chooses "a path of conflict" in Ukraine.