"The Saudis must respect the right of Bahrainis to determine their destiny," said Saeed al-Shahabi from London in an interview with Press TV on Thursday.
"It would be very sad and tragic if the Saudis attempt to interfere in the case of Bahrain. This is an internal struggle by people who want to get free from this dictatorship," he added.
Inspired by revolutions in Egypt and Tunisia, people in Bahrain poured into streets to demonstrate against the government's oppressive policies.
On Thursday, security forces raided the protesters camped out in Pearl Square in central Manama and fired teargas and rubber bullets to disperse the crowd. Four people were killed in the incident, raising the number of the dead to seven since Monday.
At least 2,000 protesters were occupying the Pearl Square on Wednesday, calling for a new constitution and an elected prime minister.
The opposition leader also said it is not in the interest of the Saudi Arabia to interfere in Bahrain's internal affairs.
"The Saudis would not be immune from criticism if they ever attempt to intervene directly in the affairs of Bahrain because the Saudis are known specially in the West as being the masters of terrorism. They are cultivating extremism inside their country and the world has seen atrocities that were committed by the people who were either financed, trained, or brought in the Saudi kingdom," Shahabi said.
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