Commonwealth and African champion Eunice Sum sealed her first win of 2015 in 2:00.28 to put her on track to defend the Diamond Race trophy

A bold piece of front-running from Jairus Birech brought the defending Diamond Race champion an impressive victory over a raft of fellow Kenyans

Lu Huihui handed the home crowd a shock victory over a field of world and area champions with a meeting record of 64.08m

A commanding run from Kirani James brought the Olympic champion a comfortable victory over his arch rival LaShawn Merritt in 44.66

Aleksandr Menkov claimed the slimmest of victories over world leader Jeffrey Henderson as just 6cm separated the top four

Blessing Okagbare showed Jamaica’s world-beating sprinters a clean pair of heels as she blasted clear of the women’s 100m field

A controlled kick over the last lap gave Silas Kiplagat victory in a world leading time of 3:35.29

A smooth running Kaliese Spencer picked up where she left off in 2014 with yet another Diamond League one-lap hurdles win

Nikoleta Kiriakopoulou leapt a national record of 4.73m to take fellow-Greek Katerina Stefanidi’s world lead by 2cm

Mutaz Barshim took Bohdan Bondarenko’s Shanghai meeting record and world lead as the Qatari drew first blood in the opening exchange between high…