Police are investigating a head-on crash in Lehigh County that sent multiple people to the hospital Monday night, including four children.

It happened just before 10 p.m. on Fullerton Avenue, near Alison Street in Whitehall Township.

A car heading north on Fullerton Avenue lost control around a curve and crashed head-on with another car traveling south, police said.

Three people were trapped, and police said all of the victims suffered minor injuries.