The Telegram channel involved in the leak identifies itself as being based in Tehran, Iran’s capital. It previously published memes featuring Iran’s Supreme Leader Ayatollah Ali Khamenei and material in support of Tehran’s self-described “Axis of Resistance,” which includes Middle East militant groups armed by the Islamic Republic.

President Biden spoke to reporters before departing Germany. Mr. Biden commented on the potential to move forward with cease-fires in Lebanon and Gaza after Israel's operation that killed Hamas' leader Yahya Sinwar.

The US is investigating a leak of classified documents describing an American assessment of Israel's plans to attack Iran, House of Representatives Speaker Mike Johnson has confirmed. The documents were reportedly published online last week and are said to describe satellite imagery showing Israel moving military assets in preparation for a response to Iran's missile attack on 1 October.