'Whoever is going to stop me from running is going to have to drag me out of the track'
Lalita Babar, who competed in the women's 3000m steeplechase, became the first Indian track athlete (male and female) to finish in the top eight in a World Championship but Tintu Luka crashed out in the heats of the women's 800 metres.
Britain's Mo Farah regained his balance after stumbling and almost falling to the track in Wednesday's heats at the world athletics championships to book his spot in the final of the men's 5,000 metres.
Russia claimed the IAAF's decision to continue its ban of Russian athletics on Friday was unfair and threatened legal action, while the rest of the world welcomed the move and urged the IOC not to go against it.
Double Olympic champion Caster Semenya's future was in doubt on Friday after she said she would not take medication to lower her testosterone levels to comply with new rules for the 800 metres.