Long-distance runner Agnes Tirop, Kenya's two-times World Championship bronze medallist, was found stabbed to death at her home on Wednesday.
The 25-year-old represented Kenya in the 5,000 m event at the Tokyo Olympics and finished fourth in the finals after clocking 14:39.62.
"Tirop was found dead at their home in Iten after she was allegedly stabbed by her husband. We are still working to unearth more details surrounding her demise," Athletics Kenya said in a statement.
Last month, Tirop smashed the women-only 10km world record in Germany, crossing the line in 30:01 to shave 28 seconds from the previous record held by Morocco's Asmae Leghzaoui from 2002.
Tirop won bronze medals at the 2017 and 2019 World Championships in the 10,000 m event, and also won the 2015 World Cross Country Championships.
"It is even more painful that Agnes, a Kenyan hero by all measures, painfully lost her young life through a criminal act perpetuated by selfish and cowardly people," Kenya President Uhuru Kenyatta said in a statement.
FIFA President Gianni Infantino proposed an outside review of how the governing body makes major decisions on Monday, acknowledging in a letter to members that its handling of a now-abandoned investment plan had caused concern.
Captain Marquinhos has snatched the winner as champions Paris St Germain won 2-1 at troubled Olympique de Marseille in Ligue 1 on Sunday, condemning the hosts to a fifth successive loss and a spot in the relegation zone.
Anders Dreyer has scored his 10th and 11th goals on either side of halftime and visiting San Diego FC earned a 2-2 draw against Lionel Messi and defending MLS Cup champions Inter Miami on Sunday night.
Manchester City head into the first international break three points clear at the top of the Premier League after Antoine Semenyo's double sealed an enthralling 5-3 home win over Sunderland, for whom Brian Brobbey grabbed a hat-trick, on Sunday.