He said Israel would now have to “uphold responsibilities before the international community as the occupying power.”
Israeli Prime Minister Benjamin Netanyahu has vowed to annex the Jordan Valley and Jewish settlements in the West Bank in line with President Donald Trump's Middle East plan, which overwhelmingly favors Israel and was rejected by the Palestinians.
Netanyahu formed a new Israeli government earlier this month with his chief rival, Benny Gantz, following three elections and more than a year of gridlock. The coalition agreement allows Netanyahu to present an annexation proposal to the government as soon as July 1.
Israel captured the West Bank, along with east Jerusalem and the Gaza Strip, in the 1967 war. The Palestinians want all three territories for their future state, but the Trump plan would leave them with scattered clusters of enclaves surrounded by Israel.
Most of the international community is opposed to annexation, which many fear would make it impossible to create a viable Palestinian state. The two-state solution is still widely seen as the only way of resolving the decades-long conflict.