New Delhi, May 21 -- Israel's national security minister drew a sharp rebuke from Prime Minister Benjamin Netanyahu and triggered a backlash abroad Wednesday, after releasing videos taunting detained flotilla activists who tried to breach Israel's blockade of Gaza, telling them they should be imprisoned for a long time.

Netanyahu said that although Israel has every right to stop "provocative flotillas of Hamas terrorist supporters," the way National Security Minister Itamar Ben-Gvir dealt with the activists was "not in line with Israel's values and norms."

Ben-Gvir released videos Wednesday showing him walking among some of the approximately 430 detainees. In one, activists with their hands tied behind their backs are kneeling, their he...