Justin Gatlin, Allen Johnson and Lashinda Demus all were winners Friday night at the Memorial Van Damme IAAF Golden League meet in Brussels, Belgium.

The reigning world and Olympic champion at 100 meters, Gatlin continued his domination of the event with his win in 9.99 seconds. Gatlin defeated a strong field that included Ronald Pognon of France (2nd-10.05), 2005 World Outdoor Championships fifth-place finisher Dwight Thomas of Jamaica (3rd-10.11), 2005 World Outdoor fourth- place finisher Francis Obikwelu of Portugal (4th-10.15) and 2003 world outdoor champion Kim Collins of St. Kitts & Nevis (5th-10.16).

Also Friday in Brussels, 1996 Olympic gold medalist and four-time world outdoor champion Allen Johnson led a U.S. sweep of the top four positions in the men's 110m hurdles.

Johnson crossed the finish line first in 13.16 seconds, with 2005 world outdoor championships fourth-place finisher Dominique Arnold right on his heels as the runner-up in 13.17. Two-time Olympic Games silver medalist Terrence Trammell was third in 13.28, with 2005 world outdoor champs sixth-placer Joel Brown fourth in 13.29.

In women's action on the track, 2005 World Outdoor Championships silver medalist Lashinda Demus won the women's 400m hurdles in 53.61 seconds, with fellow American and 2005 world outdoor bronze medalist Sandra Glover the runner-up in 53.73.

Elsewhere, 2005 World Outdoor Championships fifth-place finisher Lisa Barber was the runner-up in the women's 100 meters in 11.05 seconds, and world outdoor women's 800m finalist Hazel Clark finished third her in that event in 2:01.15.

In the women's long jump, 2005 World Outdoor Championships seventh-place finisher Grace Upshaw was third with a leap of 6.53m/21- 5.25, and world championships finalist Jillian Schwartz finished fourth in the women's pole vault with a clearance of 4.43m/14-6.25.

For more information on the Memorial Van Damme meet, including the complete results, visit www.iaaf.org.