Tyson Gay sent another warning to Usain Bolt that he has the credentials to defend his 100 metres world title with another stunning performance tonight.

DEIRDRE BYRNE came within one second of creating the first major upset of the year in athletics when she almost pipped one of Britain’s great medal hopes for the 2012 Olympics, Stephanie Twell, for the women’s title at the IAAF International Cross-Country challenge at the Greenmount Campus, in Antrim.

DEIRDRE BYRNE and Linda Byrne, who were among Ireland’s top finishers at the European cross-country championships in Spain, returned to action in the muddy Belfast international at the Stormont Estate on Saturday where they finished third and fifth, respectively.

World junior champion Linet Masai will miss tomorrow’s Belfast International Cross Country after failing to get a flight from riot-torn Kenya.

Jo Pavey endured a few difficult moments before winning yesterday’s SPAR European Cross Country trial in Liverpool.