One man was killed and another seriously hurt in a shooting Thursday night on Greenville Street in the Roxbury neighborhood of Boston. The two men were rushed to Boston Medical Center, where one of them was pronounced dead.Two men who were seen fleeing from the scene were arrested by Boston police a short time later. According to the Suffolk County District Attorney's office, the two were scheduled to be arraigned on gun charges in Roxbury Municipal Court Friday.The identities of the victims were not immediately released.  13414012