NEW YORK (Reuters) – An estimated 1 million homes and businesses remain without power in Puerto Rico Thursday morning after Hurricane Fiona hit on Sunday, causing an island-wide power outage for its roughly 3.3 million people. Hurricane Fiona is now heading toward Bermuda and then eastern Canada as a major hurricane with winds of up to 130 miles per hour (215 kilometers per hour). The storm has killed at least eight people. Fiona hit Puerto Rico five years after Hurricane Maria knocked out all power on the island in 2017. Poweroutages.com, which estimates power outages based on utility data, s…