ST. LOUIS – Four people were injured in a crash involving two motorcycles and two vehicles Tuesday evening.

The accident occurred around 8 p.m., according to officials. The motorcycles were reported to have caught fire.

Four people were transported to hospitals. Two have serious, life-threatening injuries, and the other two have non-serious injuries.

This is a developing story. More will be posted as it comes into the FOX 2 newsroom.