Habib Mahdi and brothers, Mohammad and Hussein Fouad, were detained by security forces in the town of al-Daih without any legal justification.
Similar raids were also reported in the villages of Juffair, Salmabad and Barbar.
The Thursday arrests raise the number of arbitrarily detained Bahraini youths to 12 since the start of the week.
Many of those detained since the start of Bahrain’s popular uprising have been subjected to torture and other forms of ill-treatment at the hands of the kingdom’s security services.
Meanwhile, people of Bahrain once again held demonstrations in different parts of the country against Al-Khalifa regime oppressive policies.
The protesters chanted slogans in solidarity with Sheikh Issa Qassim, calling for the release of all political prisoners.
Recently, seminary students and scholars from countries all around the world gathered in the Iranian holy city of Qom to raise awareness of the brutality of the ruling Royal Family against the people of Bahrain, and in particular, top Shia cleric, Ayatollah Sheikh Issa Ghasem.
The demonstrations in Bahrain were held in different cities including Sanabs, Karbabad, Abu Saibe’ and al-Shakhra.
According to the report, the demonstrators also condemned the regime’s allies for their support for the government and chanted anti-regime slogans as well.