It's interesting that, more than a month after the event, we are still seeing reports that it was an RTO gone wrong, despite there being no evidence to support that assertion.
Accident: Aeromexico Connect E190 at Durango on Jul 31st 2018, veered off and overran runway after rejected takeoff and burst into flames
Link to Reuters/DGAC article quoted above:
Reuters: Bad weather caused Aeromexico crash in July, investigators say