<p>Flash flood hit North Sikkim district and submerged the National Highway 10 at Pegong, officials said on Friday.</p>.<p>Heavy rains lashed North Sikkim on Thursday night which resulted in the overflow of nearby rivers leading to the flash flood that engulfed the highway.</p>.<p>Areas such as Lachen and Lachung in North Sikkim have been cut off from the rest of the state due to flash flood, they said.</p>.<p><strong>Read more | <a href="https://www.deccanherald.com/national/east-and-northeast/heavy-rain-triggers-landslide-on-nh-6-connecting-mizoram-with-india-no-casualties-1228232.html" target="_blank">Heavy rain triggers landslide on NH-6 connecting Mizoram with India, no casualties</a></strong></p>.<p>The flash flood has caused severe damage to infrastructure along the highway, making it unsafe for any kind of vehicular movement, officials said.</p>.<p>Local authorities are currently assessing the situation and Border Roads Organisation is working to clear the debris and restore normalcy.</p>.<p>However, it is expected to take some time before the highway can be reopened for traffic, they said.</p>.<p>The road is also blocked due to landslide at 13th mile and Thulo Khola, Rail khola along JN Road of Gangtok-Nathula route.</p>.<p>All tourist permits have been cancelled for Tsomgo Lake, Baba Mandir, Nathula and North Sikkim till further notice, they added.</p>
<p>Flash flood hit North Sikkim district and submerged the National Highway 10 at Pegong, officials said on Friday.</p>.<p>Heavy rains lashed North Sikkim on Thursday night which resulted in the overflow of nearby rivers leading to the flash flood that engulfed the highway.</p>.<p>Areas such as Lachen and Lachung in North Sikkim have been cut off from the rest of the state due to flash flood, they said.</p>.<p><strong>Read more | <a href="https://www.deccanherald.com/national/east-and-northeast/heavy-rain-triggers-landslide-on-nh-6-connecting-mizoram-with-india-no-casualties-1228232.html" target="_blank">Heavy rain triggers landslide on NH-6 connecting Mizoram with India, no casualties</a></strong></p>.<p>The flash flood has caused severe damage to infrastructure along the highway, making it unsafe for any kind of vehicular movement, officials said.</p>.<p>Local authorities are currently assessing the situation and Border Roads Organisation is working to clear the debris and restore normalcy.</p>.<p>However, it is expected to take some time before the highway can be reopened for traffic, they said.</p>.<p>The road is also blocked due to landslide at 13th mile and Thulo Khola, Rail khola along JN Road of Gangtok-Nathula route.</p>.<p>All tourist permits have been cancelled for Tsomgo Lake, Baba Mandir, Nathula and North Sikkim till further notice, they added.</p>