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Sweden's Mondo Duplantis broke his own pole vault world record by clearing 6.26m at the Silesia Diamond League meeting.
The Swede shattered the world record for the eighth time.
The 24-year-old Duplantis, an Olympic and two-time world outdoor champion, cleared 6.05 metres to add a second world indoor title to his bulging resume.
The Olympic champion cleared 6.22 metres to add one centimetre to his previous mark at the World Athletics Indoor Tour Silver meeting in Clermont-Ferrand, France.
After the United States claimed emphatic victories in both the men's and women's 4x400 metre relays, Duplantis took centre stage and duly delivered a perfect finale.
Rojas jumped over 15 metres four times in the women's triple jump final, landing the record on her sixth and final attempt.
American teenager Mu Athing won the 800 metres gold.
American-born Swede Duplantis broke Frenchman Renaud Lavillenie's record of 6.16m set in February, 2014, in Donetsk, Ukraine.