A large hailstorm has battered the mountainous provinces in Vietnam on March 3.<br /><br />The footage shows the large hailstones crashing down onto the roofs of buildings. According to witnesses, the hail lasted for around 40 minutes.<br /><br />More than 2,700 houses were damaged due to the sheer size of the hail. Thousands of hectares of crops were destroyed and four people were injured in the storm.