A 13-year-old boy was placed in juvenile detention Monday after another youth was shot and killed.

Seven Union Middle School students between 13 and 15 years old were apparently skipping school Monday morning and were all at a home at 8249 S. Romaine (478 East). "There was a little horseplay with a gun," said Salt Lake County Sheriff's Capt. Bill Van Wagenen.The gun discharged and hit 14-year-old Todd Karren, 875 E. Gladiator Way (8600 South), once in the upper-left chest about 9:50 a.m. He was taken to Alta View Hospital, where he was pronounced dead.

"We're not sure if the horseplay just got out of hand or what," Van Wagenen said. Deputies arrested an unidentified 13-year-old boy and booked him into detention for investigation of manslaughter because of the "serious recklessness" involved, he said.

"We think it would submit itself to a charge of manslaughter," the captain said. The boy was reportedly the only one of the seven youths present that was handling the weapon.

Tuesday, Sheriff's detectives were looking attwo different versions of how the shooting occurred. One version is that the gun went off accidentally after the suspect pointed it at Karren.

"He said, "Don't point it at me," and went to shove it away and it went off," explained Sheriff's Lt. Sydney Elliott.

The second version is that there was a fight between the suspect and the victim - one having a gun and the other having a knife. "We really haven't got a firm idea yet of how it did occur," he said.

Deputies recovered a .38-caliber revolver believed to have been used in the shooting. The suspect allegedly stole the weapon out of a parked vehicle sometime Saturday night.

No adults were at the home when the incident occurred. "It's really sad that something like this can happen," Elliott said.