NEW : Brazilian firefighters call off search for survivors . NEW : ( CNN ) -- Death toll rises to one in church roof collapse . Concrete roof fell during service at evangelical church , authorities say . Church hosts nine of largest congregations in Brazil , Sao Paulo .
NEW : Brazilian firefighters call off search for survivors . NEW : Death toll rises to one in church roof collapse . Concrete roof fell during service at evangelical church , authorities say . Church hosts nine of largest congregations in Brazil , Sao Paulo .