Ali al-Kassab, a 17 years old Shia, was killed on Thursday after he was run over by a police car in Abu Saiba town near the capital, Manama.
At least 12 other Shia were injured in the Saudi-backed regime crackdown on peaceful demonstrations in several towns and villages.
Security forces also detained nine other Shia, including a prominent human rights activist.
This is the second Shia who has been run over by car since last month. Bahrain government are trying to change the way that they kill the shia and blame local incidents.
