In a bizarre incident, a foreign national smacked a security officer on the face as she was prevented from entering a book release event in Delhi, and walked off in a huff.Held at the WWF auditorium in Delhi on Friday, the event, which former Prime Minister Manmohan Singh was to attend, had high security. A video of the incident, which has been uploaded onto video sharing websites, begins in the middle of the argument that the woman was having with a member of the security personnel.The woman demanded to be allowed into the auditorium, where Singh was already present.The security guard told the lady that she could not be allowed inside, the lady threatened him as - “You are going to lose your job; I’m telling you…I’m going to slap you.”After calling him a “stupid person” a few times, the woman fiddled with her phone for several moments before suddenly smacking the man on the face.At this juncture, another man intervened and told the lady that she could not misbehave with the guard. Following the altercation, the woman walked away saying that she knew how to solve the problem.Watch the video here: A foreign lady slaps a security personel while he was not allowing her to enter a book release function attended by former prime minister Manmohan Singh, as she arrived after Singh's entry, at WWF auditorium in New Delhi on Friday, 10th July 2015. Posted by Vijay Verma on Friday, 10 July 2015