article_snippet: Mr Kooner, 22, suffered a fractured eye socket and has since lost use of an eye.
article_snippet: These courts regard that conduct as very serious.'
article_snippet: After the hearing, Detective Constable Allan Jones, who led the inquiry, said: 'This was a violent attack which devastated the lives of two young men. '
article_snippet: Both needed extensive medical treatment and the 22-year-old has suffered permanent sight loss as a result of this group's actions.
article_snippet: At the time Judge Martin McKenna, sitting at Birmingham County Court, described it as the 'saddest and most tragic case' Judge Martin McKenna had ever come across.