Police are appealing for information after an attempted carjacking by a man armed with a knife. A woman in a car was targeted by a man on Eaton Road, Brynhyfryd , Swansea , on Friday evening, opposite the One-Stop Shop, who was reported to be attempting to get into her car. But he made off after the incident was spotted by passers-by who gave chase. Dad-of-two Mark Jones, who was with friend Tracy Pridmore Williams, said: “I had just got money out of a cash machine and I noticed what I thought were two women fighting. “I reversed my car and I heard the woman shout, and Tracey and I chased after him. “We caught up with him near the Plough and Harrow pub, when I managed to trip him up. “He then produced a kitchen knife, which was about 8 inches long, so I shouted in case someone was outside the pub could hear me. “He then legged it off.” The suspect is white, of medium build, and thought to be aged in his late twenties or early thirties. A spokesman for South Wales Police said: “South Wales Police received reports at approximately 7.30pm on Friday, November 9, of an assault following an attempted vehicle theft on Eaton Road, Swansea. “This is currently being investigated. The incident is thought to have taken place at around 6.45pm. “If anyone witnessed the incident or has further information, contact us on 101 or Crimestoppers anonymously on 0800 555 111 quoting reference 1800427201.