As Lebanon marks a year since a huge blast at the Beirut port, the sister of one of the victims is still working to pick up the pieces of her life and continue her search for justice.

An expert says threats against Belarusian athletes aren't uncommon. Olympian Kristina Timanovskaya refused to board a flight home to Belarus after officials abruptly took her to the airport.

"You're running against grown men, so you've got to do everything you can to beat them," Erriyon Knighton said. He's had a dramatic rise in track, beating a long-standing record set by Usain Bolt.

The country's immigration authorities also said this week that they are not issuing new passports to their citizens unless there is a pressing need to travel abroad for education or employment.

First came news that one athlete had tested positive; three more quickly followed. Now the whole team is being moved to a separate hotel.

The Jamaican sprinter has nabbed gold in both the 100-meter and 200-meter dashes in Tokyo, after winning the same races at the 2016 Rio Olympics.

In a dramatic move reminiscent of the first days of the coronavirus in China some 19 months ago, flights and trains in and out of the city of 11 million have been halted.

Biles looked happy and relieved after dismounting the balance beam, smiling and waving at the crowd to roaring applause. She's still experiencing the "twisties" but has found ways to cope.

Is she the best long jumper of all time? "I am," she says. "Point-blank." Reese doesn't hold the world record, but she's established herself as an extraordinary athlete over a huge number of years.

The world record was absolutely smashed with the fastest field ever to run the men's 400-meter hurdles. Norway's Karsten Warholm took gold and Rai Benjamin won bronze for the U.S.