SPRING VALLEY, Minn. – Two people in a horse-drawn buggy were killed when the buggy was rear-ended by a motor vehicle. The horse also died. Two people iwere  injured and taken 21 miles to a Rochester hospital. Fillmore County Sheriff  John DeGeoge declined to release the victims’ names immediately. The accident was about 8:30 am. near the Sumner Center Church south of Stewartville on County Road 1. The road, which connects Spring Valley and Rochester, was closed several  hours.