Iran threatens to teach US a lesson if it attacks as Trump mulls over his red line to end cease-fire

Iran threatened retaliation if the US restarts its military campaign, while President Trump is considering a red line to end the ceasefire. Iran rejected the recent ceasefire proposal, escalating tensions, and the US warned the ceasefire is ‘on life support.’ Trump is maintaining a tough stance on Iran during his China visit, stating he will ‘finish the job’ if necessary.