Editor's note: This story has been updated to reflect that 15 people were wounded in the mass shooting. The Las Cruces Police Department initially confirmed 14 wounded but later updated the number during a news conference. A victim's age was updated from 19 years old to 18 years old after police sent an update.

Las Cruces Police Department confirmed that three people were killed and 15 wounded in what they described as a mass shooting during a frantic attack between two rival groups at a public park.

Police responded to the call at 10:10 p.m. to investigate two groups of people that escalated into gunfire, Las Cruces Police Chief Jeremy Story said at a Saturday morning news conference.

"This is a huge crime scene with lots of moving parts," Story said.

Police removed 40-60 bullet casings, according to police officials.