A low-budget film that Muslims say insults the Prophet Muhammad has prompted a wave of protests across various countries.

Western embassies across the Muslim world are on high alert for violence stemming from the film The Innocence of Muslims produced by an obscure group in the United States.

Indonesian protesters threw Molotov cocktails as they clashed with police Monday outside the U.S. embassy in Jakarta. The Indonesian town of Medan also held a demonstration against the film.

Nearly 1,000 demonstrators staged a protest in Afghanistan's capital, shouting “death to America” as they burned cars and tires in Kabul near a U.S. military base.

On Sunday, hundreds of Pakistanis protesting the film clashed with police as they tried to march toward the U.S. consulate in the southern city of Karachi. And in Lahore, about 5,000 people protested against the film. Peaceful demonstrations were held in several other cities in Pakistan.

A small group of activists burned an American flag outside the U.S. embassy in the Turkish capital, Ankara, on Sunday.

The man allegedly behind the obscure, private film was questioned Saturday by U.S. authorities in California.