A wildfire broke out near the California Tactical Academy in Holser Canyon near Lake Piru in Ventura County after 1 p.m. Saturday. 5 Firefighters work to contain the Hosier Fire, which is estimated at 95 acres. 5 Firefighters work to contain the Hosier Fire, which is estimated at 95 acres. 5 The Hosier Fire is estimated at 95 acres as firefighters work to secure the perimeter in challenging, steep and remote terrain. Evacuation Orders have been issued for the following zones:LAKP-02LAKP-04LAKP-05LAKP-065 Firefighters work to contain the Hosier Fire, which is estimated at 95 acres.