Dutch artist Joost Klein was reportedly expelled after a complaint was made by a female member of the production team.
“It is a complete overshadow of everything, goes against everything that Eurovision is meant to be,” the controversial singer Bambie Thug stated.
Sweden's Malmo will also host an alternative music festival in the city that has billed itself as the "genocide-free song contest."
For the last two decades, Jewrovision has annually convened what’s thought to be the largest Jewish youth event in Europe, where local youth clubs demonstrate their pride in being Jewish.
Israel's Eurovision contestant Eden Golan soared to second place following her performance despite protests, reflecting a triumph amid controversy.
The Jerusalem Post Podcast with Tamar Uriel-Beeri, Sarah Ben-Nun and Zvika Klein.
Large protests against Israeli participation took place outside the auditorium where the final was held on Thursday.
"Young people are leading the way and showing the world how we should react to this," Thunberg, 21, said, wrapped in a keffiyeh, the traditional scarf.
Eurovision winner Gali Atari, from 1979's Milk and Honey, reminds Golan to remember
During the performance of Eden Golan's song "Hurricane", spectators in the audience booed in contempt, and some even left the hall.