Overview

• Emergency calls about 4.25am reported arguing and a blaze at a Wangara Street home in Doonside.
• Four officers forced entry, separated the men and pulled them from the burning house as firefighters extinguished the fire.
• Police allege the 46-year-old resident set the house alight and detained a 35-year-old inside during an alleged domestic-violence incident.
• The 46-year-old is being treated for back burns at Westmead Hospital under police guard, while the 35-year-old has facial injuries at Blacktown Hospital.
• A damaged black Jeep was found at the front and a second torched car at the rear, with a crime scene established and inquiries continuing.