Northern Ireland's Martyn Irvine claimed silver in the men's 15-kilometres (60-laps) scratch race as Ivan Kovalev of Russia won gold at the world cycling championships in Cali, Colombia early today.
Newtownards rider and defending champion Irvine fought valiantly in defence of his title, but ultimately came up short as the Russian triumphed.
Cheung King Lok of Hong Kong was third and Briton Jon Dibben was 14th.
Irvine's Ireland team-mate Ryan Mullen had to settle for fourth in the men's four-kilometres individual pursuit.
The 19-year-old clocked four minutes 24.626 seconds as in the bronze medal ride-off as Marc Ryan of New Zealand claimed third in 4mins 22.895secs.
Gold went to Alex Edmondson of Australia in 4:22.582, with Switzerland's Stefan Kueng taking silver in 4:22.995.