Ugandan Olympic team member arriving in Tokyo had Delta coronavirus variant

* Minister says Delta variant must be kept in mind * Experts fear new surge, spread of variants * No fresh emergency to be declare now: minister A member of the Ugandan Olympic team who tested positive for the coronavirus upon arrival in Japan had the Delta variant, Japan's Olympic minister said on Friday, adding to concern the Games - less than a month away - may trigger a new wave of infections. A coach in the African nation's delegation tested positive after arriving in Japan on Saturday, while a second member, an athlete, tested positive on Wednesday after arriving in the team's host city of Izumisano, officials said previously. Olympic Minister Tamayo Marukawa told a news conference that the person who arrived on Saturday had been found to have the Delta variant, NHK public TV reported, adding that an analysis was also being conducted on the second confirmed case.