The United States expressed concern on Saturday that Saudi Arabia's execution of prominent Shiite cleric Nimr al-Nimr could exacerbate sectarian tensions, and urged all leaders in the Middle East to "redouble efforts" to de-escalate regional tensions, Reuters reports.

"We reaffirm our calls on the Government of Saudi Arabia to respect and protect human rights, and to ensure fair and transparent judicial proceedings in all cases," State Department spokesman John Kirby said in a statement following the execution of al-Nimr and 46 other people.


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