Approximately 20 individuals at Kuala Lumpur's international airport in Malaysia were directed to seek medical attention on Thursday following a gas leak at an aircraft engineering facility. The fire department confirmed that this incident did not interfere with the airport's operations. The Selangor state fire department received an emergency notification about a chemical leak at the Southern Support Zone Sepang Aircraft Engineering facility at 11:23 am (0323 GMT) and promptly sent a team, including a hazardous material unit. The chemical in question was identified as methyl mercaptan, a flammable, colorless gas with a foul odor, occasionally utilized in jet fuel production. Among the 20 affected individuals, all of whom were airport staff, reports of dizziness were noted. The fire department spokesperson assured that there was no broader threat to public safety.