article_snippet: The new details about the cruelty of ISIS come as Iraq's prime minister called on tribal fighters to abandon the jihadis ahead of an offensive to retake Saddam Hussein's hometown of Tikrit from extremists.
article_snippet: Now Israeli intelligence service Mossad believes ISIS militants are doing the same, according to Investigative journalist Gordon Thomas.
article_snippet: However, Shiite militias and Iraqi security forces have stationed Shiite militias and Iraqi security forces around Tikrit as state-run media has warned that the city 'will soon return to the city ' people.'
article_snippet: Tikrit, which occasionally saw attacks on U.S. forces during the American occupation of the country, is one of the biggest cities held by ISIS.
article_snippet: the city ' also sits on the road to Mosul, Iraq's second-largest city, which is also held by the extremists.
article_snippet: ISIS supporters wave flags as Pro-ISIS supporters parade through Mosul in Iraq.
article_snippet: ISIS fighters burn tyres following clashes with Peshmerga forces in Mosul.
article_snippet: Mosul is Iraq's second-largest city and is held by the extremists .