BRADY TWP — Two riders were seriously injured Saturday evening when their motorcycle crashed on Route 528 about one mile from Route 8, authorities said.

Both victims were taken to Pittsburgh for hospital treatment of head and body injuries, according to emergency crews. Their conditions were not available Monday.

State police said James McKnight, 48, of Grove City, was driving the cycle and Ruth Updegraff, 36, also of Grove City was his passenger.

The pair was apparently traveling north on Route 528 between Staff and West Liberty roads about 6:50 p.m. when their Harley-Davidson wrecked. Investigators are reportedly looking into the possibly that the bike hit a deer.

The accident happened on a straight stretch of the road, which was dry, authorities said.