Mother, daughter killed by boulder that fell off truck

ROSEMOUNT, Minn. (AP) — Authorities say a mother and daughter were killed when an 800-pound (360 kilogram) boulder rolled off the back of a truck and struck their car in suburban St. Paul.

Police in Rosemount are looking for the driver of the truck.

Sixty-seven-year-old Karen Christiansen and her 32-year-old daughter, Jena Christiansen, were killed Monday afternoon when their Toyota Avalon was hit by the boulder that had dislodged from a commercial truck. They both died at the scene.