In his biography Al-Zawahri says that he warned the Egyptians to avoid being around government places where it would be dangerous. If any Muslim is hurt during such attack compensation has to be paid. Sheikh Mansour Al-Refai Ebeid said that if a Muslim kills someone on purpose, no matter of what religion that person is, then it is haram [religiously unlawful]. Even concerning those who are non-believers, Muslims may not bother them as long as they are peaceful.