Debutant Shelly-Ann Fraser-Pryce took her outstanding outdoor form indoors by blasting to victory in the women's 60m at the World Indoor Athletics Championships at Sopot.
Fraser-Pryce, who emulated male teammate Usain Bolt by winning treble gold at last summer's Moscow outdoor worlds, timed 6.98 seconds, the seventh fastest time ever clocked over the distance.
The Jamaican, twice an Olympic champion over 100m, was fast out of her blocks and propelled her diminutive frame to the head of the field and remained through the finish line on the bright blue track at the Ergo Arena.
Campbell-Brown is back
It crowned a successful outing in the world indoors for the 27-year-old, whose career focus has always been on outdoor racing, climaxing when she won the 100 and 200m at the Moscow worlds and collected a third gold as part of the Jamaican 4x100m quartet.
Ivory Coast's Murielle Ahoure, the current double world outdoor sprint silver medallist, won silver in a season's best of 7.01 seconds, with American Tianna Bartoletta claiming bronze (7.06 seconds).
Fraser-Pryce's teammate Veronica Campbell-Brown, back on the track after a 10-month lay-off because of a botched doping case, finished fifth (7.13 seconds) behind Briton Asha Philip (7.11 seconds).