Karachi, March 03 (ANI): About two dozen supporters of a Pakistani neuroscientist, Aafia Siddiqui, currently in US prison after being convicted of shooting at FBI agents and soldiers, gathered to mark her birthday in Karachi city of Pakistan. Carrying flowers and placards, supporters of Siddiqui stood behind bars representing a prison during the celebration to mark Siddiqui's 41st birthday. Aafia Siddiqui, whose conviction was widely criticised in Pakistan, was sentenced by a US judge in September 2010 to 86 years in prison after she was convicted of shooting at FBI agents and soldiers following her arrest in Afghanistan.