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,

The almost 20 months of war has torn Gaza apart, often displacing residents multiple times and killing more than 54,000 people, according to the Hamas-run Health Ministry. A U.S.-brokered ceasefire agreed in January collapsed in March as Israel enforced a blockade on all humanitarian aid into the strip.