A small Oklahoma town is grieving after a 7-year-old girl was killed in a car crash in rural Grady County.Authorities released what led up to the deadly accident. The Oklahoma Highway Patrol said the driver was heading east toward Pocasset when she swerved to miss a deer.| MORE | Verden Public Schools mourning second grade student killed in crashOn Tuesday, Verden Public Schools made the heartbreaking announcement one of their second graders was killed in the crash. The family get-together before the holidays ended in a tragedy on Monday night.According to OHP, just before 6:20 p.m., a female driver and three children were heading east toward Pocasset along County Road 1290 and County Stjreet 2780 when tragedy struck."The investigators on scene were able to determine the driver of the SUV had recently left a family get-together and had attempted to swerve to miss a deer in the roadway," Trooper Preston Cox, the public information officer for OHP, said.Troopers said the SUV then rolled an unknown amount of times. First responders at the scene began chest compressions on the 7-year-old girl before she was taken to Grady Memorial Hospital, where she later died."The amount of deer crashes have increased significantly this year," Cox said.The driver was taken to OU Medical in critical condition. A 5-year-old boy and a 10-year-old girl were taken to OU Children's.| MORE | OHP: 7-year-old girl killed, three others injured in Grady County crashOn Tuesday, Verden Public Schools shared the heartbreaking news that the 7-year-old girl was one of their second graders. According to the district, everyone inside the car was family.In a letter to parents, the superintendent called Verden a "close-knit community" and asked for prayers, saying no one in their school family experiences pain or loss alone.Along with having counselors ready on Tuesday and Wednesday before the holiday break, the district chose to postpone the elementary Christmas program. At this time, troopers don't have an update on the other family members involved in the wreck. Top HeadlinesCould the nation's second tallest building be built in OKC?5 in custody after armed robbery suspects lead OKC police on chaseVideo: Woman uses 'mom voice' to scare away moose that was chasing her dogPronouns, gender identity back in spotlight at Oklahoma Department of EducationFirst baby African elephant born at Disney’s Animal Kingdom in 7 years, park says