In this Nov. 10, 2008 file photo, members of the Palestinian Presidential Guard stand at the grave of the late leader Yasser Arafat in the West Bank city of Ramallah. Arafat’s remains will be exhumed Nov. 26, a Western diplomat said Monday, as investigators began determining how best to dig up the grave and extract samples. The new probes into Arafat’s death come after a Swiss lab recently discovered traces of polonium-210, a deadly radioactive isotope, on clothes said to be his, which sparked new accusations that he was poisoned.