Among those held were several Poles, including Franciszek Sterczewski, an MP from Poland’s ruling coalition, who posted a video saying he had been “kidnapped” by Israeli forces. <br><br> Israel said the detainees would be deported, while Poland’s foreign minister warned citizens against attempting such missions. Part of the flotilla, involving some 40 vessels, is still heading toward Gaza, as protests against Israel’s blockade spread across Europe.