(21 Apr 2026) ASSOCIATED PRESS Richburg, South Carolina - 1 April 2026 1. Mid of lead carpenter igniting wooden cribs for an accessory dwelling unit burn (ADU) experiment 2. Mid of wooden cribs on fire 3. Mid of fire engulfing the siding of an accessory dwelling unit burn during an experiment 4. SOUNDBITE (English) Murray Morrison, Managing Director of Research at the Insurance Institute for Business & Home Safety: "And what we're going to do today is we're going to ignite this structure and