Over 330,000 residents of Ontario remain without power after heavy freezing rain. Hydro One reports damage to power lines and fallen trees. What do you need to know? Where were the biggest problems? Power outages mainly affected central and eastern Ontario and the city of Orillia,

Ontario's provincial utility says power has been restored to more than half a million customers since the start of a weekend ice storm but that some hard-hit regions may have to wait until the end of the week.