Seventeen trekkers have gone missing in Kinnaur district in Himachal Pradesh, said a senior police official.
According to a PTI report, the trekkers had left Harshil in adjoining Uttarakhand's Uttarkashi for Chitkul in HP's Kinnaur on October 14, but they reportedly went missing during inclement weather from October 17 to 19 in Lamkhaga pass, he said.
The Lamkhaga Pass is one of the toughest passes which connects Kinnaur district with Harshil in Uttarakhand.
Police and Forest Department teams, and a quick response team have been sent to the spot, Kinnaur Deputy Commissioner Abid Hussain Sadiq said as quoted by PTI.
The DC said the help of Indo-Tibetan Border Police was also sought for their search.
The search operation has been started in the wee hours on Thursday, he added.