Overview

• US officials emphasize the high risk of escalation if Iran launches a major attack on Israel.
• The warning follows Iran's vow to retaliate for the assassination of a Hamas leader on its soil.
• The US has deployed additional military assets to the Middle East to deter potential aggression.
• There is no clear indication of the timing or scale of any planned Iranian attack.
• Iran's new president shows interest in dialogue, but ultimate decisions rest with the supreme leader.