Al Jazeera reporter Abdullah Elshamy was arrested in August 2013 while covering protests in Cairo. Four months later, his colleagues Peter Greste, Mohamed Fahmy and Baher Mohamed were also detained. The #FreeAJStaff campaign launches.
Elshamy spent 147 days on hunger strike to protest his detainment without charges. In May, a leaked video of the journalist emerged online.
The #FreeAJStaff campaign gained traction in February with supporters calling for the release of Al Jazeera's journalists as well as other detained journalists around the world.
The hashtag has been used more than 400,000 times in 2014.
Al Jazeera dismisses all allegations against its journalists and has called for their immediate release.