Trump warns Iran it is nearing a 'red line'

President Trump warned Iran it was close to crossing a 'red line' and said the US was reviewing "very strong options"; human rights groups reported roughly 490–500 protesters killed amid a security crackdown.

President Donald Trump warned Iran it was close to crossing a 'red line' after reports that security forces killed hundreds of protesters in Tehran. He told reporters on Air Force One that the United States was "looking at some very strong options" and said the military and his team were reviewing possible responses. The demonstrations began over economic and political grievances and have since spread, drawing international attention. Responses from other governments have varied. Key facts: - Human rights groups and monitoring organisations reported roughly 490–500 protesters killed and said thousands have been arrested during the security crackdown. - President Trump publicly warned Iran it was nearing a red line and said the US was reviewing "very strong options," while the State Department echoed a firm tone. - Protests continued inside Iran and demonstrations occurred abroad; Iranian authorities limited internet access and announced three days of mourning. Summary: The developments have increased international tensions and prompted debate about possible responses from the United States and other countries. Undetermined at this time.