Analysts speculate that a parliamentary ballot, which has not taken place since 2006, is impossible without improved ties between PA president's Fatah and Gaza-based terror group

PA president will ask UN to provide international protection for parliamentary vote, which was last held in 2006, senior aide says

Factional rivalries, infighting and Israeli restrictions have left the 'first Arab democracy' without elections since 2006

Source says PA president in good health, despite long history of medical issues