Russia said on Monday that its military was analysing whether or not the United States would supply Tomahawk cruise missiles to Ukraine for strikes deep into Russia, a step that Russian officials say could trigger a steep escalation. US Vice President JD Vance said on Sunday that Washington was considering a Ukrainian request to obtain Tomahawks. President Donald Trump has not made a final decision, and he has been wary of escalating the Ukraine war into a direct confrontation with Russia. But the fact he is now weighing such a move shows the extent of his frustration with President Vladimir Putin's refusal to agree a ceasefire since he hosted the Russian leader at a summit in Alaska last month. Tomahawks...