As the world awaits a US decision on whether to join Israel’s strikes on Iran and with Supreme Leader dodging the onslaught, many are left wondering if it will it lead to a much bigger conflict. Trump had demanded Iran 's "immediate surrender" as he hinted there could be plans to assassinate the country's national and spiritual patriarch. But why is America so involved in Israel’s conflicts? Here, the Mirror answers five key questions on the escalating Israel-Iran conflict, its origins and