On Sunday, July 4th at 10:34 PM, the Penn Wynne – Overbrook Hills Fire Company and mutual aid units including Union Fire Association were dispatched to a structure fire on the unit block of Rosedale Road in Lower Merion Township.
Upon arrival, units found the structure heavily involved with fire and smoke. At approximately 11:02 PM, a mayday call was received.
The Rapid Intervention Crew went into service and Firefighter Sean DeMuynck was located, unresponsive, on the third floor. After being removed from the building by his fellow firefighters, Firefighter DeMuynck was transported to Lankenau Medical Center by Narberth Ambulance, arriving at approximately 11:37 PM.
Sadly, attempts to resuscitate Firefighter DeMuynck were unsuccessful. He was pronounced dead on Monday, July 5, 2021 at 12:22 AM. At 6:35 PM on July 5th, the Montgomery County Emergency Communications Center announced the Line of Duty Death of Firefighter DeMuynck over the 800 MHz radio system.