A man attacked fellow passengers with a knife on a Tokyo commuter train late on Friday injuring ten persons.<br />'' <br />'' The suspect told Police that he became angry when he saw women who looked happy and wanted to kill them, according to local media reports.<br />'' <br />'' One victim, a female student, is said to be seriously injured, while the others suffered less severe injuries.<br />'' <br />'' Nine out of the 10 injured were taken to hospital while the remaining walked away from the scene.<br />'' <br />'' The train was brought to an emergency stop by the driver after they heard noises coming from inside the carriages.<br />'' <br />'' According to investigators, the suspect jumped onto the tracks and fled.<br />'' <br />'' Train crew guided the passengers along the tracks to the nearest station.<br />'' <br />'' The suspect later walked into a convenience store and told staff that he was the suspect in the incident reported by news media and was tired of fleeing.<br />'' <br />'' Violent crime is rare in Japan and tight security measures are in place in Tokyo, which is hosting the Olympics.<br />