Sensex crashes 992 pts, Nifty below 25,000; Why markets are falling today?

Why stock markets are falling: Rising tensions between the US-Iran, Nifty F&O weekly expiry, and fall in US futures are some of the reasons why Sensex, Nifty are down today

Sensex crashes 992 pts, Nifty below 25,000; Why markets are falling today?
Why stock markets are falling: Rising tensions between the US-Iran, Nifty F&O weekly expiry, and fall in US futures are some of the reasons why Sensex, Nifty are down today