Al-Najjar was arrested in March 2014 for posting tweets denouncing that his father had been tortured in prison, and calling for his release and that of other prisoners of conscience in the Emirates.
Al-Najjar alikamatwa mwezi Machi 2014 kwa kutuma jumbe kupitia  tweeter akishtumu kwamba baba yake aliteswa gerazani na kutoa wito aachiliwe huru na wafungwa wengine waliofungwa kwa kutoa maoni yao katika Falme za Kiarabu.