**As of 7:39am, Environment Canada ended the heavy fog advisory.**
Early this morning, Environment Canada issued a heavy fog advisory for London, Parkhill, Strathroy, Komoka and both Eastern and Western Middlesex Counties.
The statement says that dense fog patches have developed over portions of the region and that near zero visibility in fog is expected or occurring.
Environment Canada reminds drivers to exercise caution as visibility may be significantly and suddenly reduced to near zero.
The fog is expected to dissipate later this morning.
There are no school bus cancellations at this time. We will update as new information is available.