NEW : Rural crash area had clouds and reduced visibility . NEW : ` ` These are difficult times , '' president says at public funeral . `` I think there 's an inevitability that there will be speculation that organized crime was involved in this , but it seems highly unlikely to me that indeed will be the case , '' Starr said , noting how the helicopter crashed under foggy conditions in a remote area . Police do n't find evidence of an explosion or a fire aboard the plane . Mexican Prime Minister , Francisco Blake ##ly dies with seven others .
NEW : Rural crash area had clouds and reduced visibility . NEW : ` ` These are difficult times , '' president says at public funeral . Police do n't find evidence of an explosion or a fire aboard the plane . Mexican Prime Minister , Francisco Blake ##ly dies with seven others .