Under the Mecca Joint Defence Agreement signed in August 2026 by Saudi Arabia, Turkey, and Pakistan, an armed attack on one member is considered an attack on all

From the articleMecca Pact leaders to meet Iran in TehranAlso in Officials from Mecca pact countries to meet Iranian officials in Tehran on Monday, Top officials from Mecca pact countries to meet Iranian officials in Tehran, two sources say, Officials from Mecca pact countries to meet Iranian officials in Tehran on Monday | Reuters, Officials From Mecca Pact Countries to Meet Iranian Officials in Tehran on Monday