Three wardens were dismissed after a video circulating showed them snorting cocaine inside a van, the Times of Malta reports.
It quotes sources as saying that the incident prompted LESA management to take immediate action.
It said that LESA management identified the officers and terminated their employment.
Jason Azzopardi, who posted about the incident on Facebook in a post on Tuesday, said that it happened in an Isuzu van. He also said that these were LESA officials who drive motorbikes, and that the video is making the rounds on Whatsapp.