- Summary- Companies- First protest-related execution- Protests triggered by death of woman- Britain, Germany condemn executionDUBAI, Dec 8 (Reuters) - Iran hanged a man on Thursday convicted of injuring a security guard with a knife and blocking a street in Tehran, the semi-official Tasnim news agency said, the first such execution over recent anti-government unrest.Nationwide protests that erupted after the death of 22-year-old Kurdish Iranian woman Mahsa Amini on Sept. 16 represent one of the biggest challenges to the Islamic Republic since its establishment in 1979.Authorities have been cracking down on the protests and on Monday, the Revolutionary Guards encouraged the judiciary to swiftly and decisively issue judgements against those accused of "crimes against the security of the nation and Islam".State media published a video of what it said was Shekari's confession where he appears with a bruise on his right cheek."The Iranian regime's contempt for humanity knows no bounds," said German Foreign Minister Annalena Baerbock."