Israel says the activists are provocateurs bent on disturbing public order.

Organizer Mazin Qumsiyeh said Friday the activists will come for a “week of peaceful activities” in solidarity with the Palestinians in the West Bank.

Israel has sent European airlines lists of names barred from entry. In a similar attempt last year, many airlines banned activists from boarding their flights.

Lee Mi-Kyung, a spokeswoman of German airline Lufthansa, says it will prevent passengers on the list from getting on board its flights to Israel.