TORONTO (AP) — Three employees of the railway company involved in last summer’s runaway oil train disaster that killed 47 people are due to appear in court Tuesday to face criminal negligence charges in the small Quebec town that was partially incinerated by exploding tanker cars.

The charges come about 10 months after more than 60 of the tankers carrying oil from North Dakota came loose in the middle of the night, sped downhill for nearly seven miles (11 kilometers) and derailed in the town of Lac-Megantic in eastern Quebec. At least five of the tankers exploded, leveling about 30 buildings, including a popular bar that was filled with revelers last July 6.