Tennis ball-sized hailstones hit northwestern China's Shangluo City, damaging several vehicles on May 15.<br /><br />In the video, the hailstones strike vehicles, smashing windows.<br /><br />According to local news, the largest diametre of the hailstone was 55mm.<br /><br />More than 5,700 household and more than 600 hectares of crops were affected.<br /><br />Six people suffered minor injuries.