Dehradun (Uttarakhand), February 12 (ANI): Locals need to be cautious as a lake has been formed near Raini village in Joshimath of Chamoli district, said Uttarakhand Chief Minister Trivendra Singh Rawat, who, however, assured that there is nothing to worry as the scientists are working. “We have information about a lake that has been formed near Raini village in Joshimath. Present situation suggests that we need to be cautious but nothing to worry. Scientists are working on it. We are also planning to airdrop experts for review,” said CM Rawat.