Jenny Gathright

Cori "Coco" Gauff, the 15-year-old tennis player who defeated Venus Williams in her first-round match, has now advanced to the round of 16 at Wimbledon. She is the youngest player to advance this far in the tournament since 1991, when Jennifer Capriati made the semifinals as a 15-year-old.

Gauff was down a set and two separate match points in her third-round match against Polona Hercog of Slovenia on Friday, but she came back to win 3-6, 7-6 (9-7), 7-5.

Updated at 7:16 a.m. ET Sunday

Iranian officials said Sunday that for the second time the country will exceed limits set in the 2015 nuclear deal, this time enriching uranium beyond levels in the agreement.

"Today we went beyond the 3.67% ceiling of uranium enrichment, and the level of purity will be fixed as per our need," Iranian government spokesman Ali Rabiei told reporters, according to state-run IRNA news.

Legendary Green Bay Packers quarterback Bart Starr died Sunday in Birmingham, Ala. He was 85 years old.

Starr, who played for the Packers from 1956 to 1971, was the first quarterback in history to win five NFL championships. He was inducted into the Pro Football Hall of Fame in 1977.

In a statement on the team website, Green Bay Packers historian Cliff Christl wrote that Starr was "maybe the most popular player in Packers history."

A carbon tax in South Africa will go into effect on June 1. President Cyril Ramaphosa signed the measure into law on Sunday, making South Africa one of about 40 countries worldwide to adopt a carbon-pricing program.

A possible tornado struck the Oklahoma city of El Reno Saturday night and killed at least two people.

In a news conference early Sunday morning, El Reno mayor Matt White said the storm hit at about 10:30 p.m., and warning sirens sounded at 10:27 p.m.

The storm destroyed an American Budget Value Inn, damaged the nearby Skyview Estates mobile home park and also affected nearby businesses, including a car dealership.

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