to always know their glucose levels and where they re heading with just a glance at their smart device. the power to make treatment decisions. to customize alerts and alarms to help keep them in range. the power to lower their a1c. all this knowledge. powered by a small wearable. the dexcom g6. to the index of other news tonight and a deadly airport shuttle bus crash near seattle s sea-tac airport. aerial video shows the marriott bus on its side with a second vehicle on the median and first responders treating patients on the scene. at least one person is dead, eight injuries reported. the cause of the crash is under investigation. a massive train derailment in mercer county, missouri, tonight. drone footage coming in, showing some of the 70 union pacific cars that toppled off the tracks during a trip between wisconsin and texas. some spilling sand, but they some spilling sand, but they say this is not a hazmat situation. and tonight, no injuries were