According to the news release by the Bahraini government's media outlet, Ali was accused of "spreading false news" on the BahrainOnline.org discussion forum.
His arrest coincides with a severe government crackdown on opposition activists in recent weeks, and accusations of a supposed "terror network" involving several political and human rights activists.
His arrest also coincides with a recent government crackdown on websites and online discussion forums.
Browse through the previous posts in this blog to learn about Ali's previous detention in 2005.
For more up-to-date details about his current detention, check in at: