Olympic Highlights: Gold Medal Triumphs and Scandals

Quincy Hall captures gold in the 400m, Taiwan's Lin Yu-ting advances to the boxing final amidst controversy, and Australia secures a thrilling cycling victory. France seeks FBI help in a sabotage case, and an Australian hockey player is detained over cocaine charges. The United States ends Nigeria's Olympic dreams.

In a night filled with suspense, Quincy Hall dramatically overtook Britain's Matthew Hudson-Smith to win the men's 400m, marking the United States' first gold in this event since 2008. Hall crossed the finish line in a personal best of 43.40 seconds.

Meanwhile, Taiwan's Lin Yu-ting advanced to the women's boxing final with a unanimous decision victory over Turkey's Esra Yildiz. The bout comes amid gender dispute controversies involving Lin at the Paris Olympics.

Australia clinched a nail-biting victory against Britain in the men's cycling team pursuit, securing their first gold in this event since 2004. Oliver Bleddyn, Sam Welsford, Conor Leahy, and Kelland O'Brien led Australia to this iconic triumph.

French police investigating sabotage of high-speed rail lines have requested FBI assistance after media received emails from suspected perpetrators. The email listed grievances but did not claim responsibility outright.

Australian hockey player Tom Craig was released from custody and issued an apology after being arrested in Paris for purchasing cocaine. Craig has played over 100 games for the national team and is a Tokyo silver medallist.

The United States ended Nigeria's inspiring run in women's basketball with an 88-74 victory. Nigeria was notable as the first African team to reach the knockout stages of an Olympic basketball tournament.

(With inputs from agencies.)