Hollywood icon was deeply moved by Ella Shani, 14, whose father was killed by Hamas and whose cousin was kidnapped into Gaza; Stone solemnly pledged to speak personally with the Red Cross: 'I will do everything I can to help'

Joined by participants from 100 locations around the world, families sing rendition pop icon’s 1989 hit in urgent call for release of loved ones held in Gaza

In video, actor and singer Idan Amedi seen speaking into communicator, dedicating detonation of target to October 7 attack victims