Islamic State in Iraq and the Levant militants lay siege to Iraq's largest oil refinery, located in Baiji.
Islamic State militants counter-attack in Iraq's Saladin province and seize locations west, north and south of Baiji, home to Iraq's largest oil refinery. In addition, the militants attack oilfields west of Tikrit, capture parts of the town of Seiniyah, portions of Mak'houl Mountain, and an abandoned fertilizer plant.
ISIS claims responsibility for the deaths of two Syrian refugee activists who fled to Sanliurfa, Turkey, raising concerns about the group’s reach in countries outside of Syria and Iraq. Ibrahim Abdel Qader, a founder of Raqqa Is Being Slaughtered Silently, and Fares Hammadi are said to have been killed by an acquaintance posing as a defector from ISIS.