QuickCheck: Was a woman held at knifepoint in Penang as seen in a viral video?

ACTS of violence are generally shocking and rare, and as such any videos and news of such misdeeds tends to go viral very rapidly because of this.

Recently, a video just over a minute long of a man waving a knife while holding a woman at a headlock at a supermarket went viral along with the claim that this happened in Butterworth, Penang.