New Delhi: Uttar Pradesh Chief Minister Yogi Adityanath today visited ailing Congress veteran N D Tiwari at a city hospital where he is undergoing treatment. The former UP chief minister had yesterday become unresponsive when he was being given physiotherapy and was shifted to the hospital’s ICU. He is undergoing treatment at the private hospital here for the last several days. Adityanath assured all possible help to the ailing politician, Tiwari’s family said.