The Palestinian factions fought Saturday in the worst internal violence since Hamas's Gaza coup.
Explosions and a Hamas-led crackdown on the rival Fatah Party has raised tensions to their highest levels since Hamas seized control of the Palestinian territory in 2007.
Severe water contamination in the Gaza Strip is worsened by Israeli blockades, say many Palestinians.
Palestinian engineers say it only costs $1.50 per fill-up. Israel is also going electric with hundreds of charging stations to be installed nationwide.
Can Gaza's ruling militants keep other armed groups from spoiling a six-month cease-fire with Israel intended to improve life in the impoverished coastal strip?
The temporary cease-fire deal bids to end attacks from Gaza militants and the Israeli army and improve life in the impoverished coastal strip.
The Islamist militant group has controlled the coastal strip for a year now and says it will not relent to international pressure.
Prime Minister Ismail Haniyeh announced preconditions for a period of calm with Israel in a speech Wednesday.
President Abbas halted negotiations Sunday. Secretary of State Rice arrives this week.