British athlete Nigel Levine has booked his place in the semi-finals of the 400m after finishing third in his heat.
The 23-year-old didn't have the best of starts but he was able to improve as the race progressed to guarantee qualification.
Veteran Chris Brown secured victory with a time of 45.40s, with Tony McQuay of the United States coming in second place.
You can follow the second day of the athletics at the Olympics with Sports Mole's live commentary.
Written by
Callum Mulvihill
Callum Mulvihill
