OSKALOOSA — An accident on Highway 163 in Mahaska County on Friday night resulted in two deaths and is now under investigation.

Traffic records show that on Friday night, at around 8:47pm, a Subaru Outback driven by 43-year-old Sy Yang of Oskaloosa was going eastbound on Highway 163 near mile marker 53, while a John Deere tractor driven by 68-year-old Gary Edward Lisk of Oskaloosa was also going eastbound on Highway 163, pulling a tiller implement. The tractor began to merge into the left lane when the SUV struck the rear and left side of the towed implement. The collision resulted in front compartment intrusion for the SUV. The driver of the SUV and one of its passengers, 45-year-old Rachel Anne Yang of Oskaloosa, were pronounced dead at the scene and transported to the Iowa State Medical Examiner’s Office. Two additional passengers in the SUV were transported to Mahaska Health via ambulance for treatment of injuries.

The accident remains under investigation.