A 24 hour labor strike organized by educational and public sector unions ended Thursday evening. Hundreds of thousands of workers across the country protested a government-proposed pension plan that would raise the retirement age while cutting retirement benefits for public workers.

Click here for full coverage of the UK's Day of Action

The strike was relatively peaceful although there were scattered clashes in London between Anarchic youths and police. According to reports, 37 people were arrested.

The strike was led by by four major academic and public service unions and closed or partially closed two-thirds of public schools and universities in England and Wales.

People have gathered at key places all over the country. In London, there were demonstrations at Trafalgar Square, as well as in Charing Cross, Whitehall and Westminster.

Click here for background on the June 30 strike

Below are photos from the June 30 Day of Action.

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Demonstrators march during a protest over pension reforms in London Reuters
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A boy holds a banner during a protest over pension reforms in Leeds Reuters
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Demonstrators march past the Houses of Parliament during a protest over pension reforms in London Reuters
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Demonstrators march along Whitehall during a protest over pension reforms in London Reuters
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Demonstrators march past the Houses of Parliament during a protest over pension reforms in London Reuters
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Demonstrators rest after a protest over pension reforms in London Reuters
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A protester is moved by police officers during a demonstration over pension reforms in London Reuters
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