Eleven-year-old Yeat Saly lies in a hospital bed, a piece of shrapnel lodged in his forehead -- one of the many injuries inflicted by an old mortar he found near his village in Cambodia.
Parts of the kingdom are still littered with unexploded ordnance from decades of conflict, but US President Donald Trump's decision to freeze virtually all American aid has forced many long-running projects to clear the deadly debris to grind a halt.
