Update: Death of Michael Day "has an effect on everyone," Kalamazoo County prosecutor says.

KALAMAZOO, MI --A 15-year-old is being charged with murder in the Memorial Day shooting death of 13-year-old Michael Day.

Kalamazoo County Prosecutor Jeffrey Getting announces charges in the homicide of Michael Day, 13, of Kalamazoo.

Kalamazoo County Prosecutor Jeffrey Getting said during a news conference Thursday afternoon that Victor Manuel Garay has been charged with open murder and felony firearm possession.

Getting said he has not decided whether to prosecute Garay as a juvenile or adult. He could face up to life in prison without the possibility of parole if convicted of premeditated murder as an adult.

A petition has been authorized in the Family Division of Kalamazoo County Circuit Court.