After a Central Industrial Security Force (CISF) official allegedly slapped BJP MP Kangana Ranaut at the Chandigarh airport today, Congress leader and Ms Ranaut's poll rival in Mandi Vikramaditya Singh called the incident "unfortunate" and called for action against the official concerned. "It is unfortunate if these kinds of incidents are happening and should not happen to any person, particularly a woman. It is unfortunate that it has been done by a security person. We got to know that the security person had some grievances related to the farmer's protest," Mr Singh said.