The Oak Bluffs fire and EMS department tumbled through a week of turmoil and transition, beginning with the resignation of fire chief John Rose.

For much of the past decade, the Oak Bluffs ambulance reserve fund has held hundreds of thousands of dollars for the town.

Under pressure to clarify the status of fire chief John Rose following a settlement involving sexual harassment claims, selectmen stood behind their embattled department head.

The Federal Bureau of Investigation is conducting an inquiry into the Oak Bluffs EMS and fire department, multiple sources familiar with the investigation have confirmed.