World Championship javelin: Neeraj Chopra, Pakistans Nadeem in separate groups, eye blockbuster final

Neeraj Chopra begins his World Championship title defense in Tokyo, facing a strong field including Pakistan's Arshad Nadeem and Germany's Julian Weber. Chopra aims to become the third male javelin thrower to defend his title. The Chopra-Nadeem clash is highly anticipated, with three other Indian athletes joining the competition.