An unusual stench engulfed different parts of Karachi Wednesday night which left many citizens wondering.
Soon, the smell became the main topic of discussion on social media.
A Facebook page, titled Weather Updates PK, stated that the smell stemmed from a change in wind direction, but the root cause of the foul odour is yet to be determined.
However, the Pakistan Meteorological Department (PMD) has yet to reveal any detail regarding the strange smell.