A top Iranian military commander has threatened severe retaliation as tensions rise with the U.S. and Israel ahead of nuclear talks.

Iran's foreign minister has issued a stark warning to Britain, France and Germany that reimposing sanctions on Tehran could lead to an "irreversible escalation" of tensions. Abbas Araqchi cautioned that abuse of the "snapback mechanism" would have serious consequences in a column published in French weekly magazine Le Point on Monday.

US President Donald Trump on Tuesday reiterated his warning to Iran, threatening 'massive maximum pressure' if Tehran refuses to make a deal with Washington over its nuclear program and “continues to attack its neighbors.

Iran's Foreign Minister warns Britain, France, and Germany that using the UN snapback sanctions mechanism could lead to "irreversible" tensions and end Europe's role in the 2015 nuclear deal.

Welcome to The Hill’s Defense & NatSec newsletter{beacon} Defense &National Security Defense &National Security   The Big Story Trump extends ‘olive branch’ to Iran

DUBAI, United Arab Emirates -- President Donald Trump on Thursday threatened sanctions on anyone who buys Iranian oil, a warning that came after planned talks over Tehran’s rapidly advancing nuclear program were postponed.

US Special Envoy Steve Witkoff warned that if Sunday’s talks with Iran are not productive, “then they won’t continue and we’ll have to take a different route.”

President Donald Trump issued a scathing address condemning the Iranian regime for the deterioration of its country and the whole region in Saudi Arabia, threatening "maximum pressure."

Iran said Friday that continued US sanctions on its trade partners will not alter its policy, after President Donald Trump threatened to penalise countries or individuals dealing in Iranian oil.

US President Donald Trump, speaking in Riyadh, feigned willingness to resolve deep-rooted tensions with Iran while resorting to his usual coercive rhetoric, warning of harsher pressure should Tehran reject Washington's demands.

During his visit to Saudi Arabia, US President Donald Trump claimed credit for brokering a ceasefire between India and Pakistan, announced plans to lift sanctions on Syria at the Saudi crown prince’s request,