<h1>Two nations sign strategic mutual defence pact declaring attacks on one treated as attacks on both, boosting joint deterrence</h1> Two countries signed a 'strategic mutual defence' agreement declaring any attack on either will be treated as an attack on both, committing to enhanced defence cooperation and joint deterrence. The pact, endorsed during a state visit, builds on longstanding bilateral ties and aims to deepen security, investment and trade cooperation. A neighbouring state's foreign ministry said it will assess implications for its national security and regional stability. The agreement follows recent regional hostilities and high-level diplomatic engagements by the visiting leader; senior military and cabinet officials accompanied the delegation.