Some parts of Australia on track for extreme summer heat

Some urban parts of Australia are on track to reach temperatures of 50 degrees or higher this summer.

The heat is potentially deadly and is prompting councils into action.

Western Sydney could be one of the hottest parts of Australia this summer.

Urban planners and scientists are increasingly concerned about the problem of urban heat.

Experts say an even bigger problem arises in the suburbs with dark colours on rooftops absorbing heat.