US President Trump warned China that it could face staggering tariffs, up to 50%, if it provides military support to Iran amid the Middle East conflict. This warning follows the collapse of US-Iran peace talks over Iran's nuclear program and control of the Strait of Hormuz. The situation signals a risk of the Middle East conflict expanding into a US-China economic confrontation, heightening geopolitical tensions alongside plans for a Strait of Hormuz blockade.