A man accused of being “a Hamas operative” based in London is a key figure behind Greta Thunberg’s Gaza-bound aid boat, it emerged on Monday. Zaher Birawi, who was described in Parliament as a person with links to Hamas, called himself a “founding member” of the Freedom Flotilla International Coalition, which arranged the voyage by the aid boat Madleen. Israeli forces boarded and seized the boat on Sunday, detaining the 12 pro-Palestinian activists it was carrying, including Ms Thunberg, as it attempted to bring a “symbolic” amount of aid to Gaza in defiance of an Israeli naval blockade. Mr Birawi,...