"Our peaceful mission to break the siege on Gaza and stand in solidarity with its people continues with determination and resolve," said members of the flotilla's steering committee.

The "Family Boat", part of the Global Sumud Flotilla, was hit while docked in Tunisia before setting sail for Gaza.

A flotilla challenging Israel's blockade of Gaza arrives in Tunisia, with Greta Thunberg among its members:: Thiago Avila, Global Sumud Flotilla member and Brazilian activist:"We are going with dozens of boats that represent more boats that ever attempted to break the siege of Gaza combined.