northern city of Raqqa.

Turkey launched two operations in northern Syria since 2016, clearing the areas of the Islamic State of Iraq and the Levant (ISIL and ISIS) and Kurdish fighters.

Ankara keeps Turkish troops and intelligence forces around parts of these areas, and still backs Syrian rebels serving as police officers.the title.

Rafael Nadal has looked strong at the Australian Open, having won every set he has played so far at the tournament. Jason Heidrich/Icon Sportswire

"I feel lucky to be where I am after all the things I went through," said Nadal, who quit during his quarterfinal at Melbourne Park a year ago because of a right leg problem, quit again during his semifinal at the US Open in September because of a painful right knee, and then had offseason surgery on his right ankle.

"Not easy situations," he said, summing it up.

Nadal, 32, reached his 30th major semifinal and prevented Tiafoe from getting to his first, two days after he turned 21.

"I knew he was going to bring crazy intensity," Tiafoe said. "I knew the ball was going to