Key facts about the WA bushfires

WHAT YOU NEED TO KNOW

EMERGENCY WARNINGS:

* Waroona, Harvey, Hamel, Cookenup, Yarloop, Preston Beach, Lake Clifton, Myalup

* Forrestdale in Perth's east

* Threat to lives and homes

WATCH AND ACT ALERT:

* Binningup, Wellesley

* Hopeland in Perth's south

* Possible threat to lives and homes

* Residents must leave or get ready to actively defend their homes

DAMAGE IN THE PEEL AND SOUTH WEST REGIONS

* More than 58,000 hectares burnt

* Fire first reported 7.25am on Wednesday

* Caused by lightning

* Three people unaccounted for

* Four firefighters injured

* Emergency Situation declared in the Shires of Harvey and Waroona * Several recreation sites and roads closed

RESOURCES IN THE PEEL AND SOUTH WEST REGIONS

* More than 200 firefighters

* Fire perimeter in excess of 200km

* Aerial support assisting firefighters on the ground

* More than 50 appliances, including 38 heavy machines

* Evacuation centres at Murray Leisure Centre and Leschenault Leisure Centre

FORECAST

* Windy and hot

* More lightning expected