A few cases of the more infectious South African and Brazilian strains of the coronavirus have been detected in India and people flying in from those countries may be tested more aggressively, the government said today; With tanks, troops, tents, China pulls back from Pangong lake; Operation Kamal in Puducherry before assembly elections; 48 die in Madhya Pradesh bus accident; Transit bail for activist Shantanu; and other top news of the day.