Milestones from the Rio Olympics

Milestones of the day from the Rio Olympics.

RUPTURED - New Zealand rugby sevens player Sonny Bill Williams' Achilles tendon, ruling him out of the Olympics in Japan's shock win over the Kiwis.

CAPTURED - US swimming legend Michael Phelps's 21st Olympic gold medal by winning the 200m butterfly final and the men's 4x200m relay final.

TUMBLED - Olympic champion and world No.1 tennis player Serena Williams out of the singles competition in the third round after her surprise loss to Ukraine's Elina Svitolina.

KICKED OUT - Polish weightlifting Olympic medal contender Tomasz Zielinski out of the Games for a positive doping test.

ARRESTED - Kenya's athletics manager Michael Rotich, who was sent home from the Rio Games after allegations he was asking for cash in return for warning athletes before drug tests.

EXPELLED - Dutch gymnast Yuri van Gelder from the Olympics for "gravely" violating team rules by going out for a night of drinking in Rio after qualifying for the finals of the rings event.

STRIPPED - Ukrainian javelin thrower Oleksandr Pyatnytsya of his silver medal from the 2012 Olympics by the IOC after a retest of his sample exposed an illicit substance.

SHAKEN - A bunch of journalists after shots were fired at their media bus, a Montenegro official who was carjacked at gunpoint, and Belgian judoka Dirk Van Tichelt who was hit in the face as he chased down a phone thief in Copacabana.