<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Detectives have been called in to investigate a suspicious </span><a href="http://9news.com.au/fire" rel="" target="" title="fire"><span>fire</span></a><span> that threatened homes in Onkaparinga Hills in </span><a href="http://9news.com.au/adelaide" rel="" target="" title="Adelaide's"><span>Adelaide's</span></a><span> south.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Security camera footage captured the alarming speed at which the fire consumed the scrubland yesterday.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The blaze started near Armata Road in Woodcroft shortly before 5pm before swiftly spreading across Education Road and threatening four homes and a horse stable. </span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/national/north-avoca-search-person-swept-off-rocks-central-coast/3adc5741-c0a2-427b-9ded-8f202eac292f"><strong><span>Desperate search for boy swept off rocks at popular beach</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Firefighters, aided by water bombers, successfully protected all the properties.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"It was definitely a scary experience for sure," local resident Shay Christo said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"It's the closest I've ever seen it get to the house in probably 15 years of living here."</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/adelaide-fire-fears-fire-in-onkaparinga-hills-was-deliberately-lit/363624b5-31d0-463a-96b2-d45d31e4553f" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Authorities now believe the fire may have been deliberately lit, with CCTV footage capturing the sound of explosions.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/national/man-charged-with-assault-after-woman-dies-in-sunshine-coast-university-hospital/d8803d72-0be0-4add-816d-cc4db6802afc"><strong><span>Man charged with assault after woman's death</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/national/gilston-gold-coast-police-hunt-gunmen/a8bdb351-c636-41cd-9103-bb496418d9f9" rel="" target="" title=""><strong><span>Trio arrested after six-hour manhunt</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"We heard an explosion as well and saw a car take off," local resident Greg Ingleton said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Four firefighters were injured while battling the blaze, and two koalas with burnt paws were also rescued during the operation.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><em><span>This article was produced with the assistance of </span></em><a href="https://www.9news.com.au/technology/9express/16480c33-636a-461f-9c4f-d0e2522c722a"><em><span>9ExPress</span></em></a><em><span>.</span></em></div></div>