By Parisa Hafezi and Angus McDowall The burial in Mashhad in northeast Iran follows a week of mass funeral processions, rallies and mourning ceremonies that has coincided with a renewed burst of conflict with the United States following weeks of truce in the four-month-old war. Khamenei was killed in the first strikes of the war launched by the United States and Israel on February 28. The U.S. and...