(Lodi, CA) — Lodi police are investigating whether a viral TikTok challenge led to a deadly crash. The challenge involves stealing certain Kia and Hyundai vehicles without a key.

Two people died after a crash in Lodi’s Peterson Park overnight Sunday into Monday. They were in a stolen Hyundai that had its roof ripped off after hitting a tree. Lodi police had stopped chasing the car just before the crash.

Detectives believe the suspects were part of a group that stole two vehicles.