A suspected gangster wanted for 18 cases of murder and looting was among three people killed in a shootout with police in a crowded court, police said on Friday. "Hardutt Singh, a criminal wanted in 18 cases was to be produced before a court, when three men fired at him," said Hanif Qureshi, senior police officer in Gurgaon town, which borders the capital New Delhi. "Two of the gunmen were killed by the police when police returned fire," he said.Police suspected intra-gang rivalry to have sparked the mayhem as Hardut was brought into the courtroom for trial. One gunman was still at large.