The activists on board include Greta Thunberg, European lawmaker Rima Hassan, and Game of Thrones actor Liam Cunningham. A security source told Maariv that Shayetet 13 and the Israeli Navy would have no issue boarding the vessel.

Israel said it would stop a ship piloted by pro-Palestinian activists, including Greta Thunberg, from breaking its blockade of the Gaza Strip. Thunberg is one of 12 activists, including a minister of the European Parliament,

Israel's Katz said he instructed the military to "take whatever measures necessary" to stop the ship carrying Thunberg and other activists.