Some school buses in Chatham-Kent are cancelled this morning. Dense fog has cancelled buses in Zones 4 and 6. Zone 4 includes Petrolia, Oil Springs, Oil City, Alvinston and Inwood. Five elementary and one high school is affected. Zone 6 encompasses Ridgetown and Dresden, as well as Thamesville, Bothwell, Highgate, Florence, Morpeth and Orford.

Source: CBC News May 23, 2019 10:59 UTC