Australia picked up two gold medals on night two of the Pan Pacific Championships in California. But off the back of a tumultuous fortnight, Isaac Cooper’s silver medal was a brutal blow.

Isaac Cooper says he has been told his position on the Australian swimming team will be in jeopardy if he discusses a drinking episode at the Commonwealth Games.

Isaac Cooper bashes into a lane rope on his way to winning silver in the men's 50m backstroke at the Pan Pacific Championships.

Isaac Cooper bashes into a lane rope on his way to winning silver in the men's 50m backstroke at the Pan Pacific Championships.

Australia picked up two gold medals on night two of the Pan Pacific Championships in California. But off the back of a tumultuous fortnight, Isaac Cooper’s silver medal was a…