Friday's protest was allowed by
the authorities despite overnight clashes
Opposition supporters in Bahrain have
attended a mass protest demanding an end to the crackdown on dissent, ahead of
the Formula 1 Grand Prix on Sunday.
Tens of thousands people walked along a motorway from Budaiya, an area to the
west of the capital, Manama.Police fired stun grenades and tear gas at a small group who tried to reach the site of the former Pearl Roundabout.
Earlier, Crown Prince Salman bin Hamad Al Khalifa warned that cancelling the Grand Prix "just empowers extremists".
While admitting that Bahrain was "not perfect", he told journalists after Friday's first practice session that the race was a "force for good".
"I think for those of us who are trying to navigate a way out of this political problem, having the race allows us to build bridges across communities, get people working together," he said.
Prince Salman also guaranteed the safety of the racing drivers and teams, after a car carrying members of the Force India team was caught in clashes between police and protesters on Thursday, and a petrol bomb exploded nearby.
Force India's deputy team principal earlier said its involvement in the day's second practice session would be limited, because of safety concerns.
Formula 1's governing body, the FIA, only went ahead with the race after the government said it had security under control.
Analysis
There are two broad strands to Bahrain's Shia-led opposition. The mainstream political opposition, led by the al-Wefaq political society, have held on-off talks with moderates within the Sunni ruling family about sharing power. Those talks are currently stalled but Wefaq has not come out definitively for or against holding the Grand Prix.Then there is the smaller, radical 14 February Coalition, which includes street protesters in predominantly Shia areas who have called for the overthrow of the monarchy. Some of them clash nightly with police, often throwing petrol bombs.
Nearly all Sunnis and expatriates, as well as many Shia, do not want the ruling Al Khalifa family to go. But Sunni hardliners are resisting making any concessions to the Shia, believing they want ultimately to turn Bahrain into an Islamic republic linked to Iran. Shia opposition activists deny this.
As many as 100,000 people are said to have gathered in
Budaiya on Friday for the protest organised by the main Shia opposition group,
al-Wefaq.
Riot police initially showed restraint, but when a group of about 100
protesters broke away and attempted the reach the site of the former Pearl
Roundabout - the focus of last year's pro-democracy demonstrations - they fired
stun grenades and tear gas.A witness told the BBC that a toxic, yellow powdered gas was also fired at the group, which she said was suffocating and paralysing, and that it had caused her to fall over. She said her face was burning.
The main demonstration was sanctioned by the authorities despite overnight clashes between security forces and protesters in several mainly Shia villages.
The overnight demonstrations called for the "overthrow of the regime" and the release of the human rights activist Abdulhadi al-Khawaja, who has been on hunger strike in prison for more than 70 days in protest at the life sentence he received from a military tribunal in June.
Former member of parliament for the opposition Al-Wefaq party
Jasim Husain: "We need to use this event to promote awareness of the problems
facing the country"
One survey says 77% of
Bahrainis are in favour of the Grand Prix going ahead "My father continued: '... I don't want anybody to be hurt in my name,'" Ms Khawaja added.
Bahrain's highest court, the Court of Cassation, is due to rule on Mr Khawaja's appeal against his conviction on Monday - a day after the Grand Prix.
Al-Wefaq reported that 70 people had been injured by security forces in the past two days and 80 others arrested.
"The protests are having international impact because there are foreign journalists here for F1. Once they leave, the repression will continue but the world won't hear about it," activist Nabeel Rajab told the BBC.
The government has called on Bahrainis to move forward and hopes the race will show that life is returning to normal.
It says King Hamad has accepted the findings of an independent panel of human rights experts that investigated last year's unrest, and announced constitutional reforms intended to lead to greater accountability.
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