Jordan’s king warned Israel of a “massive conflict” if it proceeds with plans to annex large parts of the occupied West Bank, as European Union foreign ministers agreed on Friday to step up diplomatic efforts to try to head off such a move.

In an apparent setback for Prime Minister Benjamin Netanyahu, exit polls showed the longtime Israeli leader falling short of securing a parliamentary majority with his hard-line allies in Tuesday’s election.

Jewish settlement construction in Israeli-annexed east Jerusalem has spiked since President Donald Trump took office in 2017, according to official data obtained by The Associated Press.