The 22-year-old Swedish activist is among 12 international volunteers sailing toward Gaza, aiming to break Israel’s blockade and draw global attention to what the UN calls an “unfolding famine” threatening 2.

Catania, Italy — Climate campaigner Greta Thunberg and other 11 activists set sail on Sunday afternoon for Gaza on a ship aimed at “breaking Israel’s siege” of the devastated territory, organizers said. The sailing boat Madleen, operated by activist group Freedom Flotilla Coalition, departed from the Sicilian port of Catania, in southern Italy.