The United Nations reinstated an arms embargo and other sanctions on Iran on Saturday following a process triggered by key European powers that Tehran has warned will be met with a harsh response. Britain, France and Germany triggered the return of sanctions on Iran at theUNSecurity Council over accusations the country has violated a 2015 deal that aimed to stop it developing a nuclear bomb. Iran denies seeking nuclear weapons. The end of the decade-long nuclear deal originally agreed by Iran, Britain, Germany, France, the United States, Russia and China is likely to exacerbate tensions in the Middle East, just months after Israel and the US bombed Iranian nuclear sites. UNsanctions imposed by the Security Council in resolutions adopted between...