JERUSALEM — Israel on Sunday identified 20 activist groups from around the world whose members will be banned from entering the country over their calls to boycott the Jewish state, stepping up its fight against a movement it views as a serious threat.

Israel last year enacted a law that would ban any activist who “knowingly issues a public call for boycotting Israel.” The list made public Sunday, which includes a Nobel Peace Prize winning organization, follows up on that legislation.

A statement by the Strategic Affairs Ministry said those who have carried out “significant, ongoing and consistent harm to Israel through advocating boycotts may be considered to have their entry barred.” It said “central figures in key boycott organizations” risked being prevented entry. The 2017 law does not apply to Israeli citizens, the statement said.

“The boycott organizations must know that the state of Israel will act against them,” Strategic Affairs Minister Gilad Erdan said in a statement. “The creation of this list is another step in our struggle against the incitement and lies of the boycott organizations.”

The list is part of Israel’s efforts against a grassroots movement known as BDS, which calls for boycotts, divestment and sanctions against Israel over its policies toward the Palestinians. The movement has urged businesses, artists and universities to sever ties with Israel and it includes thousands of volunteers around the world.

Supporters of the movement say the tactics are a...read more at The Washington Post