Four 17-year-old teenagers have been arrested in Tamil Nadu for allegedly assaulting a migrant worker with machetes on a suburban train near Chennai. A video of the attack, which left the victim bloodied, went viral on social media. Three of the accused were sent to a juvenile home, while the fourth received bail. The incident has sparked political reactions, with a Congress MP calling for increased police action and opposition parties criticizing the state government's handling of drug issues.