Jerusalem (CNN) Israel's Prime Minister Benjamin Netanyahu has announced plans to annex parts of the West Bank if he wins re-election next week.

Netanyahu told reporters at a press conference that, if re-elected and able to form a coalition, he would apply Israeli sovereignty over the Jordan Valley and the northern Dead Sea.

He said he expected US President Donald Trump to present his Middle East peace plan just days after Israelis vote next Tuesday, September 17, and that in co-ordination with the US, he would also look to apply sovereignty over all Israeli settlements in the West Bank.

"[The US plan] poses a great challenge for us and a great opportunity, a historic opportunity to apply sovereignty over settlements in the West Bank and other areas of importance to our heritage," Netanyahu said.

A US administration official told CNN: "There is no change in United States policy at this time. We will release our Vision for Peace after the Israeli election and work to determine the best path forward to bring long sought security, opportunity and stability to the region." The US was informed about the announcement beforehand, the official said.

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