The Russian doping scandal is steadily expanding beyond the country's banned track and field program.
Hours after President
The 23-year-old breaststroke specialist, a world champion and previous Olympic medalist, now faces a lifetime ban.
"It's obvious that our national anti-doping legislation needs serious improvement," Putin said on Wednesday, according to the Tass news agency. "I am asking the government to work on the question of raising the effectiveness of the national fight against doping."
Russian media has reported that Efimova tested positive for meldonium, a banned substance that numerous athletes in the country -- including tennis star