A family was left terrified after their home was hit by hailstones with the size of golf balls.<br /><br />Mansoor Ali, 34, a resident of a village in Muzzafarpur, India, took a video of the hailstones pounding his home.<br /><br />Along with Muzzafarpur, several districts in the North Indian state of Bihar were hit by an unprecedented hailstorm that turned everything white. <br /><br />Hailstorm, thunder squall and heavy rainfall were reported across as many as 12 districts.<br /><br />One person was killed by a thunderbolt and crops were extensively damaged in affected districts.<br /><br />Met experts have attributed the freak weather conditions to the combined impact of a cyclonic circulation and formation of a trough line in the region.<br /><br />Several other parts of India are also reporting unseasonal thunder showers.