Pakistan, Sept. 19 -- Pakistan will go "to any extent" to defend Saudi Arabia against attack, its military spokesperson said on Thursday, as escalating Houthi strikes test new collective-defense agreements linking the nuclear-armed South Asian state to the Kingdom.

"Pakistan fully stands with the Kingdom of Saudi Arabia, both diplomatically and physically," Lt. Gen. Ahmed Sharif Chaudhry, director general of Inter-Services Public Relations, the military's media wing, told Arab News in an interview on Thursday.

"And I would like to underscore here the word physically . We will go to any extent."

Chaudhry said Pakistan's commitment extended to the protection of Saudi Arabia and Islam's two holiest sites in Makkah and Madinah.

"There sho...