ISLAMABAD, December 16: Chief of the Naval Staff (CNS) Admiral Zafar Mahmood Abbasi on Sunday paid glowing tribute to the martyrs of Army Public School (APS) and said that their sacrifices will always be remembered. In his message on the eve of fourth anniversary of the Dec 2014 Army Public School attack, which killed around 150 students and staff members, Zafar Mahmood Abbasi also paid homage to the parents and bereaved families of the APS martyred.-Agencies