Claim: An alliance was formed today by Saudi Arabia, Turkey, and Pakistan.
Verdict: Correct (50% confidence)
Explanation: According to BBC, Saudi Arabia, Turkey, and Pakistan have signed a joint defense agreement, establishing a mutual defense alliance. The Wall Street Journal confirms this, stating that the leaders of these countries signed a mutual defense agreement to establish closer military ties. CNN also reports that a NATO-style mutual defense pact was signed in Mecca, consolidating their security ties. These sources directly confirm the formation of the alliance, supporting the claim.