• A report on the latest attack on Andres Serrano's controversial work Piss Christ inadvertently referred to the late US Republican Senator Jesse Helms as Jesse James (Hit with a hammer and slashed with an ice pick. Anti-blasphemy attack on Piss Christ, 19 April, page 3).
• An article said Jessica Davies had been smoking cannabis on the evening she murdered her lover in Paris in 2007. The Guardian has subsequently learned that tests for the substance made after her arrest were negative. The online version has been corrected to make clear that the drugs Davies had mixed with alcohol were prescription drugs (British minister's niece goes on trial for Paris knife murder, 12 January 2010, page 6).
• Reporting from the campaign trail in Scotland's parliamentary elections, a piece described customers in a supermarket west of Edinburgh catching sight of a politician they recognised – "the tall, white-haired one with the glasses". This was indeed Alistair Darling, the local MP and former Labour chancellor, but he was not wearing glasses that day (Iain who? Scottish Labour leader fights for recognition, 18 April, page 10).
• It is the School of Oriental and African Studies that has created two new Israel studies posts, not the London School of Economics as a letter in the Education section stated yesterday (On Israel, 19 April, page 2).