RIO DE JANEIRO (AP) — The Latest on the Olympics in Rio de Janeiro (all times local):
10:05 p.m.
MEDAL ALERT-WORLD RECORD: Wayde van Niekerk of South Africa has won the Olympic 400-meter title in a world record 43.03 seconds. Van Niekerk, running in the outside lane, stormed out of the blocks and held off of 2012 champion Kirani James and LaShawn Merritt. He lowered the mark of 43.18 that Michael Johnson set in Seville, Spain, in 1999.
10 p.m.
Andrew Fisher saw his chances at making the men's 100-meter final dashed when he false started in the semifinals.