Saudi Arabia, Turkey and Pakistan to sign joint defence deal amid regional turmoil

By Ariba Shahid KARACHI/RIYADH, Aug 7 - Turkey, Saudi Arabia and Pakistan will sign a joint defence agreement on Friday, regional sources with direct knowledge of the matter said, at a time of regional turmoil with Gulf states coming under fire from Iran after it was attacked by the U.S. and Israel. While the pact further cements a burgeoning grouping of major Sunni Muslim powers, there was no immediate clarity on each state's commitments. A Turkish official confirmed the agreement will be…