Israel is to expel by the end of the week four French nationals held after security forces intercepted their Gaza-bound aid boat, France's foreign minister said Wednesday, as an Israeli NGO said one of the French campaigners was briefly put in solitary confinement.

Israeli forces have seized a Gaza-bound aid boat and detained Greta Thunberg and other activists who were on board.

Israel has deported Swedish activist Greta Thunberg, a day after seizing the Gaza-bound humanitarian aid ship on which she was sailing alongside 11 others. Israel’s Ministry of Foreign Affairs said Thunberg flew out of Tel Aviv early on Tuesday, bound for Sweden via France, and released her photos on the flight.