Vice President C.P. Radhakrishnan has expressed grief over the loss of lives in a tragic incident at the under-construction tunnel in the Namchi district, Sikkim. In a social media post, Mr Radhakrishnan conveyed condolences to the bereaved families. He prayed for strength and courage for those who have lost their loved ones, for the safe rescue of those who remain trapped, and wished for the speedy recovery of the injured.