The pilots of flight PK8303, an Airbus A320 carrying 91 passengers and eight crew, were attempting to land at the city's Jinnah International Airport.
The plane had attempted one landing but as it went round again lost its engines and issued a mayday call.
At least two passengers are confirmed to have survived the crash.
One, Muhammad Zubair, has been describing his ordeal, recalling how he lost consciousness then woke up to smoke and screaming.
What caused the crash?
It has yet to be confirmed but here is what we know so far.