In Calgary, an investigation is underway into the circumstances of a fiery bus crash explosion that killed three people and injured more than a dozen others. Two public transit buses were involved and one burst into flames after impact. That bus ran on compressed natural gas, the same fuel used in hundreds of buses across the country, causing new concerns across the country. Jordan Prentice has more. For more info, please go to https://globalnews.ca Subscribe to Global News Channel HERE: http://bit.ly/20fcXDc Follow Global News on X HERE: http://bit.ly/1Toz8mt Follow Global News on TikTok HERE: https://www.tiktok.com/@globalnews.ca?lang=en #GlobalNews