FILE images of the site where jihadist gunmen killed eight people, including French aid workers in 2020 in Niger. The head of Islamic State in the Greater Sahara, who was wanted for deadly attacks on US soldiers and foreign aid workers, has been killed in an operation by French troops. The jihadist leader was behind the killing of French aid workers in 2020 and was also wanted by the United States over a deadly 2017 attack on US troops in Niger. FILE images of the site where gunmen killed eight people, including French aid workers, as they visited a part of Niger popular with tourists for its wildlife.