US-Iran Tensions Escalate: Trump Warns, Military Buildup Continues, EU Sanctions IRGC

• US President Donald Trump warned that a meaningful agreement with Iran is crucial to avoid serious consequences.
• Reports indicate increased US military flights over Europe and fortification at Iranian facilities, including a concrete shield over a new structure and reinforced tunnel entrances at nuclear sites.
• Iran and Russia conducted naval exercises, with Iran issuing a rocket-fire warning to pilots in the region.
• Poland's Prime Minister Donald Tusk urged citizens to leave Iran immediately due to escalating tensions.
• The European Union formally added Iran's Islamic Revolutionary Guard Corps (IRGC) to its terrorist list, imposing asset freezes and a ban on economic resources.