Kenyans fail Beijing drugs tests

Aug 26, 2015, 7:23 AM EDT

Two Kenyan runners have tested positive for doping at the World Athletics Championships in Beijing, the International Association of Athletics Federations has announced.

Koki Manunga, 21, and Joyce Zakary, 29, have been given provisional bans after failing tests for banned substances, writes the BBC.

The pair, who are both 400m runners, were tested at their team hotel on 20 and 21 August, said the governing body.

Zakary set a national record of 50.71 in heat three of the 400m on Monday