Costa Rica’s Turrialba volcano has been spewing ash into the sky after its most powerful eruption in almost two decades.<br /><br /> Residents living in the foothills have fled their homes.<br /><br /> Plumes of ash and gas have reached the capital San Jose, forcing authorities to close the main airport.<br /><br /> More than 100 flights have been cancelled in all, leaving passengers stranded.<br /><br /> “We were supposed to catch a 2.35 p.m. flight to Charlotte and then transfer, one of us is going to New York, Chicago and Pittsburgh and the flight was cancelled until Monday,” said one passenger. <br /><br /> The Turrialba volcano erupted three times on Thursday and another similar eruption was recorded on Friday morning. <br /><br /> People living in areas near the volcano are being warned to stay on alert.
