James Larter died in hospital on July 6, two days after being stabbed. (Courtesy of Larter family)

A suspected killer was arrested in the same apartment building in southwest Calgary where a man was found stabbed to death more than a week ago.

James Dale Larter, 33, died in hospital on July 6, two days after he was found bleeding in a hallway of a high-rise condo building in the 1000 block of Sixth Avenue S.W.

Police were initially responding to a disturbance complaint there and interviewed several people.

On Saturday night, police arrested Chang Yong Yun, 29, of Calgary in the same condo building without incident. He's been charged with second-degree murder, Staff Sgt. Doug Andrus said on Monday.

He said Yun lives on the same floor were Larter was found, and that the two men knew each other. Andrus could not disclose what led to the fatal stabbing.

CBC News has learned that Yun is facing two other outstanding charges that are unrelated:

• Impaired driving — Aug. 15, 2008.
• Assault causing bodily harm — Nov. 9, 2007.

Larter, who grew up in Calgary, was a champion high-school wrestler and loved mixed martial arts. His friend Rene Grenon said Larter worked as a construction worker and as a bouncer at local clubs, but was training to become a professional fighter.

"Find a way to make money instead of fighting on the street or fighting in the bar, you know, trying to make money, making a living," said René Grenon, the owner of the Calgary Fight Club, a mixed martial arts gym.

"He's never let anything bother him or anything like that so I told him nothing will put him down. he's going to have to be dead in order to stop fighting."

The club is raising money for Larter's 12-year-old daughter — who is cared for by her grandparents — and her future education. A fundraiser over the weekend brought in more than $4,000.

Family watched victim take last breath

Larter's father, John Larter, issued an emotional statement last week, describing how his son died in hospital with his family by his side.

"We stood around his bed in the hospital where he was laying covered in knife wounds and slashes, too many stitches to number," wrote John Larter.

"His 12-year-old daughter was kneeling on a chair beside him with her head resting on his broad shoulder. Her tears had soaked his hospital gown and made a perfect circle where she lay. In that safe and familiar place on her dad's shoulder, she somehow fell asleep.

"It was then we turned off the respirator, watched our son's face turn pale as he slipped away from us while his little girl slept."

John Larter continued in his statement: "As I stood there, I thought if the young man who did this to my son and her daddy could stand alongside me and watch all this unfold, he would be so ashamed that the knife would fall from his hand and he would never use one again. And I would gladly forgive him."