The alleged "exodus" of Hindus from Uttar Pradesh's Kairana before 2017 - a claim debunked by the opposition and the BJP's own - took centre-stage as Union Home Minister Amit Shah on Saturday launched a door-to-door election campaign in the state's west. Visuals showed few - including the senior BJP leader - wearing masks, maintaining social distancing or following the Election Commission's 5-person limit on door-to-door campaigning given the surging coronavirus third wave.