However, it's unlikely the Palestinians will take any dramatic steps before Nov. 2 midterm elections in the U.S., since Arab leaders have already promised the Obama administration more time — until a few days after the vote — to try to relaunch negotiations. Saturday's statements seemed intended mainly as a new warning that Washington's peace efforts are in trouble.

The negotiations, launched by the U.S. in early September, quickly broke down over Israel's refusal to extend a limited curb on construction in West Bank settlements, deemed illegal by the international community.

The Palestinians want to establish their state in the West Bank, Gaza and east Jerusalem — territories Israel captured in the 1967 Mideast War — and say there is no point negotiating as long as expanding settlements gobble up more of that land.

Nearly half a million Israelis live in the West Bank and east Jerusalem.