Four people were apprehended by law enforcement authorities on Tuesday in Istanbul in connection with the release of a cartoon portraying the Prophet

The Turkish government is taking action against those it accuses of depicting the Prophet Muhammad as a cartoon in a satirical magazine. Turkey's president called the cartoon a "vile provocation" and promised to hold those responsible for its publication "accountable before the law.

Clashes erupted in Istanbul Monday with police firing rubber bullets and tear gas to break up an angry mob after allegations that a satirical magazine had published a cartoon of the Prophet Mohammed,