Kartik Aaryan has expressed his shock and concern on the incident involving Saif Ali Khan. The actor was reportedly attacked by an intruder at his residence early on Thursday morning.

MUMBAI, India (AP) — Indian Bollywood star Saif Ali Khan was stabbed in a scuffle with an intruder at his home early Thursday and underwent surgery at a hospital, media reports said.

Almost two days after the attack on bollywood actor Saif Ali Khan, one question remains, how did the assailant gain access to the actor's security-protected residence? Several theories have emerged, but the police are yet to solve the mystery ever more than 24 hours after the incident.