A mass shooting Friday night near the Texas-New Mexico border killed three people and injured 15, according to police. Here is what we know so far. Authorities said the mass shooting broke out Friday following an altercation during an unauthorized car show, which had brought around 200 people to Young Park in Las Cruces, New Mexico.

Authorities say a 20-year-old man and two 17-year-olds have been arrested on suspicion of murder in connection with a shooting at a park in Las Cruces, New Mexico, that left three people dead and 15 o