Summary
Two Saudi policemen were shot dead Wednesday when they came under fire in the kingdom's east, where most of the minority Shiite community live, the interior ministry said.
Shiites in the Sunni-dominated kingdom have complained of marginalization.
Last month, Saudi Arabia's Supreme Court confirmed a death sentence against Shiite cleric Nimr al-Nimr, a leader of anti-government protests convicted of sedition and other crimes.
Activists are calling for the sentence not to be carried out, saying Nimr engaged only in peaceful opposition.
He is one of seven Shiites sentenced to death in connection with Shiite unrest since 2011, activists say.
In June, four Shiites died preventing a suicide bomber from entering the hall of Al-Anoud mosque in Dammam city.
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