The CBI has seized actor-politician Vijay's campaign bus as part of its investigation into the September 27 Karur stampede, which killed 41 people. Investigators are examining the bus for travel logs, crowd interaction, and compliance with event permissions. Vijay has been summoned to appear before the CBI in New Delhi on January 12. The agency has previously questioned TVK party officials regarding rally planning, security, and logistics. Vijay's party has pledged financial compensation to victims' families.