There's a new twist in a case that's triggered widespread protests across India.<br/> <br />The driver of a bus in which a young woman was gang-raped and fatally injured three months ago allegedly hanged himself here in New Delhi's Tihar Jail.<br/> <br />Ram Singh was one of the five men and one minor on trial for the attack on the 23-year-old in the Indian capital.<br/> <br />Police described him as the ringleader.<br/> <br />The man's lawyer questioned suicide as the cause of death on Monday saying "there were no such circumstances that could force him to commit suicide".<br/> <br />Officials are performing an autopsy to determine why and how the bus driver died, and prison authorities have ordered a magisterial inquiry.<br/> <br />Police allege the six suspects attacked the woman and her male companion as the couple rode the bus home after watching a movie on December 16.<br/> <br />The woman was raped and tortured with a metal bar - and both were also beaten before being thrown onto the road.<br/> <br />The woman died of
