HOUSTON - All lanes of Highway 249 were brought to a near standstill after a fatal car accident involving a UPS delivery truck. The crash happened just after 9 a.m. Tuesday on Tomball Parkway at Greens Road. According to the Houston Fire Department, two people in a sedan were killed in the crash. Aerial views from SkyFox showed a UPS delivery truck slammed into the rear of the car. Firefighters were working to put out the flames and remove boxes from the rear of the delivery truck. It is not known what caused the crash. Just a reminder to all, please please please be careful.