A trial has begun in the case of a former US Marine who is accused of putting a homeless man in a fatal chokehold on a New York subway train. Daniel Penny, 25, has pleaded not guilty to charges of second-degree manslaughter and negligent homicide.

Jury selection was expected to begin Monday in the manslaughter case of Daniel Penny, who put Jordan Neely in a chokehold on a New York City subway last year leading to Neely's death.

Jury selection began Monday in Manhattan in the case against Daniel Penny, the former Marine accused of recklessly choking a homeless man to death on a crowded subway train. Penny, 24, arrived on the first day of his trial as dozens of placard-bearing protesters gathered outside the lower Manhattan courthouse,