LIVERMORE — A man who told his wife he was going to kill himself was found dead at a Livermore elementary school on Sunday afternoon.

Police found the body of Peter Brook Jr., 53, about 12:30 p.m. in a grass field at Leo R. Croce school on Scenic Drive.

His wife had called police to report that he had called her at their Livermore home to tell her he had a gun and he was going to kill himself. The wife said Brook was upset over an impending divorce.

The cause of death has not yet been determined, pending an autopsy.