premise: Complicating the crisis is the fact that Palestinian basic law does not address the issue of early elections. The current parliament, elected in January, normally would remain in place until the end of 2010.
  Abbas's declaration followed a week of rising tensions and violence between his Fatah party and Hamas, and followed the collapse of months of tortuous talks on forming a national unity government.
  On Friday, Hamas accused Fatah loyalists of targeting Hamas prime minister Ismail Haniya after his convoy came under fire in southern Gaza, killing his bodyguard and injuring one of his sons.
  A Palestinian security official told AFP that Hamas members tried to storm Sunday morning a training camp in southern Gaza for the presidential guard, triggering an intense exchange of automatic weapons and rocket-propelled grenade fire in which one camp guard was killed.
   What led to one camp guard being killed?
hypothesis: an intense exchange of automatic weapons and rocket-propelled grenade fire