This was reported on the NASA Twitter page.
LIFTOFF! @ SpaceX's In-Flight Abort Test began at 10:30 am ET with liftoff from Launch Complex 39A at @NASAKennedy on a mission to show the #CrewDragon spacecraft's capability to safely separate from the rocket in the unlikely event of an emergency. Watch: https://t.co/vjbZFBIMHDpic.twitter.com/o0qtQvYBhx
- NASA (@NASA) January 19, 2020It is noted that the purpose of the launch is to test the crew evacuation system in case of an accident.
Earlier it became known that the Falcon 9 launch vehicle successfully launched a new batch of 60 Starlink telecommunications satellites into low Earth orbit.