Today in Pictures: August 7

Flash floods in Macedonia, fan cheers Mexico on and more of the best pictures of the day.

Serena Williams reaches for a return against Daria Gavrilova, of Australia. Charles Krupa / AP
Charity Williams of Canada is tackled by Danielle Waterman of Britain during women's rugby preliminary for pool C. ALESSANDRO BIANCHI / Reuters
Miles Chamley-Watson (L )competes against Artur Akhmatkhuzin of Russia during preliminary men's foil individual table of 32. ISSEI KATO / Reuters
A staff guides performers wearing Pokemon's character Pikachu costumes as they prepare for a parade in Yokohama, Japan. KIM KYUNG-HOON / Reuters
Damaged vehicles swept into a field in the village of Stajkovci, Macedonia, when torrential rains triggered flash floods. Nearly two dozen people were killed and dozens more were injured, the Red Cross said Sunday. Georgi Licovski / EPA
A fan of Mexico takes photos during the Olympic Games men's second round group C football match between Fiji and Mexico. NELSON ALMEIDA / AFP - Getty Images
People wave Turkish national flags as they gather at Yenikapi in Istanbul during a rally against the failed military coup on July 15. Handout / AFP - Getty Images
Manueli Tulo of Fiji competes duirng men's 56kg weightlifting final. STOYAN NENOV / Reuters
Giorgio Avola of Italy celebrates winning during a preliminary fencing match. ISSEI KATO / Reuters