All flights in and out of Karachi airport have been suspended, a Pakistani official has told Reuters.
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Tonight it'll become quite clear with a patchy frost in places. The breeze will keep much of the fog at bay.
He suggested people who are not concerned about the new notes donate their bodies for 'decorative use in future five pound notes'.
Tens of thousands of people lined the streets of Chapecó for a memorial ceremony honouring footballers killed in a plane crash.