A Maryland man was killed Sunday morning when a falling tree branch struck his head at a Hopewell Township farm, according to the York County Coroner's Office.

Sean Prosser, 25, of White Hall, was clearing branches and tree limbs at his family's farm when he was hit by a falling branch, Deputy Coroner Onalee Gilbert said.

Prosser died of head trauma, according to Gilbert, who ruled the death an accident. He was pronounced dead at 10 a.m., she said.