Two men were killed and another seriously injured in a crash in St. Joseph County in Michigan.

Police say it happened around 12 a.m. on Saturday, Feb. 28, at Parkville Road and Mint Road in Park Township when a 27-year-old Kalamazoo man was driving north when he failed to negotiate a curve and struck a tree.

Two passengers – a 29-year-old man and a 27-year-old man – were pronounced dead at the scene.

The driver suffered serious injuries and was airlifted to a hospital.

Investigators say alcohol and speed appear to be contributing factors.