Iraqi insurgents executed at least 160 prisoners in just four days in the northern city of Tikrit, according to a human rights group which cited analysis of satellite imagery and shocking photographs released by the militants.
The U.S.-based Human Rights Watch said jihadists from the Islamic State of Iraq and the Levant (ISIS) killed between 160 and 190 men in two locations in Tikrit between June 11 and June 14.
The group has compiled a series of graphics documenting the massacres after painstakingly cross-referencing landmarks and individuals from various satellite images with pictures posted online by ISIS.
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