Riyadh, Sept. 18 -- Saudi Arabia and Pakistan have signed a "Strategic Mutual Defence Agreement", pledging that any aggression against either nation would be treated as an attack on both.

The agreement was inked during a state visit by Pakistan Prime Minister Shehbaz Sharif on Wednesday to Riyadh at the invitation of Crown Prince and Prime Minister of Saudi Arabia Mohammed bin Salman bin Abdulaziz Al Saud.

According to a joint statement issued following the visit, "building on the historic partnership extending for nearly eight decades between the Kingdom of Saudi Arabia and the Islamic Republic of Pakistan, and based on the bonds of brotherhood and Islamic solidarity, as well as shared strategic interests and close defence cooperation ...