Police: Oxford mother and 7-year-old son killed after train crashes into their car at railroad crossing

A woman and her 7-year-old son were killed after the vehicle they were in was struck by a train in Oxford, Ala., Saturday, May 3, 2014. (Photo courtesy of Shelly Ann Smith)

OXFORD, Ala. -- A woman and her child were killed after a train struck their vehicle at a railroad crossing in Oxford Saturday morning, police confirmed to ABC 33/40.According to police, a 35-year-old Oxford woman and her 7-year-old son died around 7 a.m. after the car they were passengers in was struck by a Norfolk Southern train at the Coleman Road crossing, which is off Highway 78. The driver, a 20-year-old woman and daughter of the mother killed, was airlifted to UAB Hospital with life-threatening injuries. Her condition is unknown at this time.Oxford Police Chief Bill Partridge said the lights and gate at the crossing were functioning prior to the accident, which remains under investigation.Shelly Penny, who was present at the scene shortly after the crash, captured cell phone video of paramedics loading one victim into an ambulance. Watch the video above or click here.ABC 33/40 will continue to follow this story and provide updates as more information is made available. Watch the news at 6 and 10 p.m. for the latest on the accident. To watch live online, click here.