article_snippet: Two senior security officials in Samarra told CNN, on condition of anonymity because Two senior security officials in Samarra are not authorized to speak to media, that Two senior security officials in Samarra are looking into these claims and Two senior security officials in Samarra are also investigating similar incidents.
article_snippet: Two senior security officials in Samarra did not confirm or deny the authenticity of the images.
article_snippet: CNN's Ben Wedeman reported from Baghdad, and Laura Smith-Spark wrote from London.
article_snippet: CNN's Mohammed Tawfeeq, Hamdi Alkhshali, Kareem Khadder and Arwa Damon contributed to this report.