<p>Israeli security forces cracked down on a pro-Palestinian protest organized by Israeli-Arabs in Haifa on Friday, May 18, arresting at least 21 people, according to Israeli media</a>.</p><p>Protesters were rallying in solidarity with protesters in Gaza, where scores were reportedly killed by Israeli security forces during demonstrations on Monday.</p><p>Protesters in Haifa accused Israeli security forces of using excessive force. Haaretz reported</a> that the protest took place with a permit and that organizers said some activists were warned not to participate.</p>Jafar Farah, head of the Mossawa Advocacy Center for Arab Citizens in Israel, was among those arrested, according to reports online</a>. Knesset member Haneen Zoabi was also participating in the demonstration. Credit: Najwan Berekdar via Storyful<br />