Horror moment giant 100ft billboard topples & crushes bystanders as dust storms smash India killing 4

THIS is the horrifying moment a massive 100ft billboard fatefully toppled over in India killing four helpless bystanders.

At least 60 others have been injured after a frightening dust storm threw Mumbai into chaos today with 40 people still believed to be trapped under piles of debris as tireless recuse missions continue.

The moment the 100ft billboard snapped from its hinges and plummeted backwards onto a busy petrol stationmediadrumimages ReutersThe fallen billboard toppled...