Heavy snowfall in Himachal Pradesh led to the closure of 226 roads including three national highways, PTI reported citing officials. Affected roads include Attari and Leh, Sainj to Aut in Kullu district, Khab Sangam in Kinnaur, and Gramphoo in Lahaul and Spiti. The IMD issued an 'orange' warning for severe cold in Bilaspur, Una, Hamirpur, and Mandi on Wednesday.