According to three sources, on October 19th, the US is investigating a highly confidential intelligence leak regarding Israel's retaliation plan against Iran. Previously, an account called "Middle East Observer" posted these confidential documents on the social media platform Telegram on the 18th, with a label indicating that only the US and its allies Australia, Canada, New Zealand, and the UK can view these files. One source confirmed the authenticity of these documents. A US official stated that the leak was "deeply concerning."