Mexico Bus Accident | At Least 18 Died When A Bus Overturned In Southern Mexico At least 18 people were killed and 24 injured Monday when a passenger bus overturned on a mountain road in southern Mexico, the Oaxaca State government reported. Authorities had previously reported only 11 dead and 12 injured, two of them in serious condition, but in an updated report issued later on social media both figures were raised.