Police are still seeking witnesses to two road traffic accidents that happened earlier this week.In the first, a man was injured in a serious single vehicle collision in Warwick, near the junction of Morgan Road and Harbour Road, on Sunday evening. The following day, a 19-year-old Devonshire man was injured in similar fashion near Barkers Hill on North Shore Road at around 7.55pm.Anyone with information on either accident can contact PC Odessa Phillip or PC Michael Charlton at Hamilton Police Station on 295-0011.