Usain Bolt won the 100-meter final on Sunday night

to become the first man to win the Olympic title three times.

Meanwhile, Britain's Andy Murray dispatched Argentina's Juan Martin Del Potro

to become the first man to win the Olympic tennis tournament twice,

retaining his 2012 title.

PWC is being sued for a record 5.5 billion dollars,

for failing to detect fraud that led to a bank collapse

during the global financial crisis.

The case could bring more auditing firms into the line of fire.

And Swiss criminal authorities are probing a well-connected former top Abu Dhabi finance official

over an alleged international conspiracy to embezzle money from Malaysia's 1MDB wealth funds.

Investigators suspect Khadem al-Qubaisi of fraud, money laundering and corruption.

That's according to a letter seen by the Financial Times.

And we have more stories for you at FT.com/FirstFT.