Israel’s prime minister is praising President Donald Trump for withdrawing the U.S. from the 2015 Iran nuclear deal.

Benjamin Netanyahu called Trump’s decision Tuesday a “historic move.” He says leaving the Iran deal unchanged would be “a recipe for disaster, a disaster for our region, a disaster for the peace of the world.”

Watch Benjamin Netanyahu’s remarks in the player above.

Netanyahu is a leading critic of the deal, saying it did not contain sufficient safeguards to prevent Iran from reaching nuclear-weapons capability or address Iran’s other activities across the region.

READ MORE: What scrapping the Iran nuclear deal could mean for the U.S.

He says Iran’s aggression has grown since the deal, especially in Syria, where he says it is “trying to establish military bases to attack Israel.”

Earlier, Israel’s military said forces were on high alert and ordered bomb shelters open in the Golan Heights after spotting “irregular activity of Iranian forces in Syria.”

READ MORE: France, Britain, Germany ‘regret’ Trump’s decision to leave Iran nuclear agreement