A humanitarian ship carrying 12 international activists, including Swedish climate advocate Greta Thunberg, is sailing off Egypt’s northern coast in a renewed effort to break Israel’s longstanding

There are a number of things that could cause the ship to turn around, like lack of food and water or problems with the engine.

Israeli authorities have made clear the flotilla will not be allowed to reach Gaza. “The IDF is prepared to stop the vessel before it enters Israeli waters,” a government source said. Officials say Hassan’s diplomatic status delayed enforcement actions, but they are now prepared to act.