Organizers say climate campaigner Greta Thunberg and other activists set sail Sunday for Gaza on a ship aimed at "breaking Israel's siege" of the territory.

The Freedom Flotilla Coalition (FFC) has said the Israeli military has boarded its Gaza-bound aid ship carrying Greta Thunberg and that communication with the boat has been lost.

Israel intercepted a Gaza-bound aid boat carrying Greta Thunberg and 11 other activists early Monday local time, per posts from the Israeli government and the pro-Palestinian group behind the drive. The big picture: The "Madleen" yacht that "Game of Thrones" actor Liam Cunningham was also aboard was being diverted to Israel and the crew was "expected to return to their home countries,