FILE - A ball of fire rises following a Syrian government air strike that hit rebel positions in the eastern neighborhoods of Aleppo, Syria, Dec. 5, 2016. The United Nations said the first 10 years of Syria’s conflict, which began in 2011, killed more than 300,000 civilians. The report released Tuesday, June 28, 2022, by the U.N. Human Rights Office is the highest yet estimate of conflict-related civilian deaths in the country. Syria's conflict began with anti-government protests that broke out in March 2011 demanding democratic reforms following Arab Spring protests across the Middle East. (AP Photo/Hassan Ammar, File)