A vessel that was approaching Freedom Flotilla Coalition's Gaza-bound charity ship the Madleen has left, the coalition said early on Monday, after an alarm was sounded on the ship warning of a possible interception.

Madleen has 12 activists on board, including Swedish climate campaigner Greta Thunberg. Israel has ordered its military to block the vessel The alarm has been sounded on the Freedom Flotilla Coalition's Gaza-bound ship the Madleen,

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.