Flight operations disrupted and departures were put on hold for two hours at Delhi airport due to low visibility conditions. An official said, three international and one domestic flights have been diverted so far while arrivals have not been stopped. <br />''<br />''<span style="color: #222222;">The minimum visibility required for take off is 125 metres. According to the official, since the Low Visibility Take Off (LVTO) requirement is not being fulfilled, departure of flights were on hold for two hours. Departure of flights were resumed later.</span><br />