The government temporarily blocked cellphone service in 15 major cities to prevent militants from using phones to detonate bombs during the protests, said an Interior Ministry official, speaking on condition of anonymity because he was not authorized to talk to the media. Blocking cellphones could make it harder for people to organize protests as well.
Pakistan's Foreign Ministry on Friday summoned the U.S. charge d'affaires in Islamabad, Richard Hoagland, over the film.Pakistan has banned access to YouTube because the website refused to remove the video.
Pakistani Prime Minister Raja Pervaiz Ashraf urged the international community to pass laws to prevent people from insulting the prophet.
"If denying the Holocaust is a crime, then is it not fair and legitimate for a Muslim to demand that denigrating and demeaning Islam's holiest personality is no less than a crime?" Ashraf said in a speech to religious scholars and international diplomats in Islamabad.
Denying the Holocaust is a crime in Germany, but not in the U.S.
U.S. officials have tried to explain to the Muslim world how they strongly disagree with the anti-Islam film but have no ability to block it because of free speech guarantees.
In Iraq, about 3,000 protesters condemned the film and caricatures of the prophet that were published in a French satirical weekly. The protest in the southern city of Basra was organized by Iranian-backed Shiite groups. Some protesters raised Iraqi flags and posters of Iran's supreme leader, Ayatollah Ali Khamenei, while chanting: "Death to America."