The Foreign Office has said it was 'very concerned' for the safety of British members of Thunberg's mission, who are understood to be incarcerated in the Ketziot prison in the Negev desert.

Climate activist Greta Thunberg is among activists on the Global Sumud Flotilla being taken to a nearby port.

The Global Sumud Flotilla said its vessels were being boarded by Israel naval forces, as it approached Palestinian territory, with cameras taken offline in a post on social media.

The Global Sumud Flotilla is attempting to break Israel’s naval blockade