<p>A bomb threat was received for Vistara's flight from the national capital to Pune when boarding was in progress on Friday morning, according to sources.</p> .<p>The sources said the bomb threat was received at around 0730 am at the Delhi airport and search operations are going on.</p>
<p>A bomb threat was received for Vistara's flight from the national capital to Pune when boarding was in progress on Friday morning, according to sources.</p> .<p>The sources said the bomb threat was received at around 0730 am at the Delhi airport and search operations are going on.</p>