LANDER — An infant boy died here on Saturday, and the Lander Police Department, the Wyoming Division of Criminal Investigation and the Fremont County Coroner’s office are working to determine the cause.

Fremont County Coroner Ed McAuslan said six-month-old Tyler Crazy Thunder died at the Lander Hospital on Saturday and officials performed an autopsy in Loveland, Colo., on Sunday.

The preliminary results of the autopsy were not available Tuesday, McAuslan said.

It is being investigated as an accidental death, he said.