A total of 6,542 people secured bail after their petitions were heard by virtual courts across the country in five days as of Thursday.   Hearing on 14,340 bail petitions were held virtually during the period, said Md Saifur Rahman, special officer of Bangladesh Supreme Court.   Court operation remained suspended since March 26 but trial proceedings through videoconference began on May 11 during the general holidays to prevent the spread of coronavirus.