The season's first snowfall with accumulation — albeit minimal — caused hazardous driving for morning commuters Tuesday on Butler County roads.

Fire and ambulance crews were called to a pair of two-vehicle crashes with injuries in Parker and Cranberry townships.

One person was still reportedly trapped in a vehicle about 20 minutes after a crash at 6:52 a.m. on Glen Eden Road at Bayberry Lane in Cranberry, authorities said.

The wreck happened, police Sgt. Chuck Mascellino said, when a car traveling on Bayberry Lane turned and collided with a pickup truck on Glen Eden Road.

The accident report was not immediately completed and the drivers' names and other information were unavailable.

Mascellino said a Cranberry Township woman, believed to be in her 20s, was taken by ambulance to Allegheny General Hospital in Pittsburgh with unknown injuries. She was driving the car.

A man driving the pickup was not injured. Cranberry Township EMS and volunteer firefighters assisted police.

A short time earlier, two vehicles wrecked on West Eldorado Road in Parker Township. The accident call came into the 911 center at 6:27 a.m. One person was hurt.

Emlenton EMS and the Bruin Volunteer Fire Department were called to that crash, which may have been caused by snow-covered roads.

Emergency crews, upon reaching the accident scene, called for the township road crew to salt the road due to treacherous conditions.

State police are investigating, but an accident report was not immediately available.

Shortly after 7 a.m., Zelienople police said an elderly borough man lost control of his sport utility vehicle on South Oliver Avenue and crashed into two headstones at a cemetery.

The 90-year-old driver, who police did not identify, was confused when an officer got there, said Zelienople Police Chief Jim Miller. He was taken by ambulance to Butler Memorial Hospital with an apparent minor injury.

In northern Butler County, meanwhile, one person was hurt about 10:05 a.m. in a one-vehicle rollover accident, authorities said. The motorist's SUV flipped onto its driver's side on Kiester Road about one-half mile west of Route 8 in Slippery Rock Township.

The state police report was not completed and the driver's name was not known.

Chief Ken Taggart of the Slippery Rock Volunteer Fire Company said the driver was taken to an unknown hospital with injuries believed to be minor.

The accident closed a portion of Kiester Road for about an hour.

Taggart described the roads as snow covered but it was not known if the weather conditions were a factor in the crash.