The United Nations on Wednesday urged Iran to halt plans to amputate the fingers of eight prisoners and called on Tehran to do away with any form of corporal punishment. UN Human Rights Office spokeswoman Ravina Shamdasani said seven of the men were currently being held at the Greater Tehran Central Prison. “We are deeply concerned by the likely imminent amputation of the fingers of eight men convicted of burglary in Iran and urge the Iranian authorities to call off the planned amputations,” she said in a statement. “We also call on Iran to urgently revise its criminal penalties to do away wit…