Melbourne has woken up to a blanket of heavy fog this morning, wreaking havoc for travellers across the city.

Melbourne has woken up to a blanket of heavy fog this morning, wreaking havoc for travellers across the city.

Thick fog has blanketed the airport which has led to the cancellation of 29 flights, with delays of up to an hour.

Travellers are being advised to check with their airlines for the latest updates.

Melbourne has woken up to a blanket of heavy fog this morning, wreaking havoc for travellers across the city.

Melbourne has woken up to a blanket of heavy fog this morning, wreaking havoc for travellers across the city.

 More cancellations are likely, with the weather hampering visibility.