<p>Ranchi/ Hazaribag: As many as 19 flights were cancelled and two were diverted at the Birsa Munda Airport here on Thursday due to dense fog, an official said.</p>.<p>For safe landing or take-off of a flight, a visibility of above 1,300 metres is required.</p>.<p>In Ranchi, the visibility hovered between 50 metres and 500 metres till 2 pm on Thursday, a weather official said.</p>.Fog in north, northeast India causes train delays, flight cancellations.<p>Ranch Airport Director RR Mourya told PTI, 'The flights were cancelled today due to bad weather'.</p>.<p>Many passengers were stranded at the airport due to cancellation of the flights and faced hardship.</p>.<p>"It is the responsibility of the flight operators how they deal with the travellers' problems," another airport official said.</p>.<p>In-charge of Ranchi Meteorological Centre, Abhishek Anand said that foggy weather condition might prevail even on Friday.</p>.<p>"An orange alert for dense fog condition has been issued for Friday. The density of fog might reduce on Saturday and Sunday. Therefore, a yellow alert has been issued for January 20 and 22", he said.</p>.<p>In Hazaribag, two people were killed in two separate road accidents due to poor visibility, triggered by dense fog, police said on Thursday. </p>
<p>Ranchi/ Hazaribag: As many as 19 flights were cancelled and two were diverted at the Birsa Munda Airport here on Thursday due to dense fog, an official said.</p>.<p>For safe landing or take-off of a flight, a visibility of above 1,300 metres is required.</p>.<p>In Ranchi, the visibility hovered between 50 metres and 500 metres till 2 pm on Thursday, a weather official said.</p>.Fog in north, northeast India causes train delays, flight cancellations.<p>Ranch Airport Director RR Mourya told PTI, 'The flights were cancelled today due to bad weather'.</p>.<p>Many passengers were stranded at the airport due to cancellation of the flights and faced hardship.</p>.<p>"It is the responsibility of the flight operators how they deal with the travellers' problems," another airport official said.</p>.<p>In-charge of Ranchi Meteorological Centre, Abhishek Anand said that foggy weather condition might prevail even on Friday.</p>.<p>"An orange alert for dense fog condition has been issued for Friday. The density of fog might reduce on Saturday and Sunday. Therefore, a yellow alert has been issued for January 20 and 22", he said.</p>.<p>In Hazaribag, two people were killed in two separate road accidents due to poor visibility, triggered by dense fog, police said on Thursday. </p>