Swimming World Championships 2007 at Melbourne (aus) Men: 400 m Freestyle March 25: Final: 1. Park Tae-Hwan (sko) 3:44.30 2. Grant Hackett (aus) 3:45.43 3. Yuriy Prilukov (rus) 3:45.47 4. Peter Vanderkaay (usa) 3:46.36 5. Federico Colbertaldo (ita) 3:48.01 6. Craig Stevens (aus) 3:48.26 7. Sergiy Fesenko (ukr) 3:48.49 -. Oussama Mellouli (tun) disqualified * * Oussama Mellouli (tun) disqualified for a doping offense (actual 2nd in 3:45.12)