33 Seoul subway engineers arrested for drinking in the past two years, but only 3 have been disciplined

In South Korea, 33 Seoul subway engineers were arrested for drinking alcohol before starting work over the past two years, but only three were disciplined.
According to documents obtained by Yoon Young-hee, a member of the ruling People Power Party in the Seoul City Council, from the Seoul Transportation Corporation,
As of recently, the number of engineers arrested for drinking alcohol before operating trains has reached 33. Last year, there were four, and this year, there are 29.
The average alcohol concentration of the 33 people was 0.08%, the standard for license revocation, and they have had their licenses revoked three times this year alone.
Some repeat offenders were reportedly arrested, but the Seoul Metropolitan Transportation Corporation only disciplined three of them. Yoon said, "We need to strengthen alcohol testing and disciplinary measures, and we need to take special measures against repeat offenders."
"We should take that position," he said.