After landslides and cloudbursts created havoc in Himachal Pradesh, BJP National President Jagat Prakash Nadda asserted that the Centre will not leave any stone unturned to help the people of the state to rebuild roads and buildings and restore normalcy. "This is not an issue of politics. This is an issue of humanity. I have assured Chief Minister Sukhu that the Centre and PM Modi will provide all possible help to the state," he said.