While there Zawahiri learned of a "Nonviolence Initiative" being organized in Egypt to end the terror campaign that had killed hundreds and resulting government crackdown that had imprisoned thousands. Zawahiri angrily opposed this "surrender" in letters to the London newspaper Al-Sharq al-Awsat. Together with members of al-Gama'a al-Islamiyya, he helped organize a massive attack on tourists at the Temple of Hatshepsut to sabotage the initiative by provoking the government into repression. The attack by six men dressed in police uniforms succeeded in machine-gunning and hacking to death 58 foreign tourists and four Egyptians.
In 1997, Charles had his other child Kostas Antetokounmpo, A famous greek professional basketball player, Konstantinos Ndubuisi “Kostas” Antetokounmpo, plays for LDLC ASVEL of the French Betclic Élite and the Euro league.
In November 1997, the Queen and her husband held a reception at Banqueting House to mark their golden wedding anniversary. She made a speech and praised Philip for his role as a consort, referring to him as "my strength and stay".