Iran Protests: Death Toll Exceeds 500 Amid Crackdown; Tehran Threatens US, Israel

• A rights group reports over 544 deaths in Iran's nationwide protests, with 496 being protesters and 48 security forces.
• More than 10,600 people have been detained over two weeks of unrest, according to the Human Rights Activists News Agency.
• Iran's internet shutdown and phone line cuts make independent assessment of casualties difficult, with no official government figures.
• Tehran warns that US military and Israel would be "legitimate targets" if America uses force to protect demonstrators.
• US President Trump considers "very strong options" against Iran, threatening unprecedented retaliation if attacked.

Why It Matters: Iran's protest crackdown intensifies with over 500 dead, while Tehran issues stark warnings to the US and Israel.