What is the significance of the US-Russia diplomatic talks in Saudi Arabia and what role does the US play in Ukraine's peace prospects?

US and Russian diplomats are holding talks in Saudi Arabia to reset their fractured relations, marking the first such discussion since Russia's invasion of Ukraine. These talks represent a critical diplomatic effort amid ongoing tensions in Eastern Europe. The UK Defense Minister emphasized that a US backstop is essential for achieving peace in Ukraine, specifically to prevent Russian President Vladimir Putin from launching further attacks. Meanwhile, the UK has declared its readiness to deploy troops to Ukraine to ensure security, highlighting the complex international response to the conflict.