Six Jamaicans, led by women's 400-metre ace Nickisha Pryce, will be in action at today's Oslo Bislett Games in Norway, the sixth leg of the Wanda Diamond League series.Pryce, the defending national champion in the event, will take to the track at 1:04 p.m. Jamaican time. She is coming off a third-place finish in her last outing in Rome, Italy, following up on her win in Shanghai, where she clocked a season’s best 49.75 seconds.