A woman who accused two former Creston, Iowa, police officers of sexual assault says she thought repeated requests for sex were just a joke, but then she got scared.

The woman testified Wednesday at the second-degree abuse trial of former Police Chief James Christensen and former Assistant Chief John Sickels.

Sickels is accused of raping the woman behind the bar of the Crestmoor Golf Club last April while Christensen watched. The men were charged in June with second-degree sexual abuse and later fired from the police department.

The woman testified that after the bar had emptied, the men took seats at the bar and Sickels asked for sex. Prosecutors say when she refused, the men locked the doors and Sickels raped her. The woman says she didn't immediately seek medical attention because of fear if she was asked who had raped her.

The trial was moved from Union County in southern Iowa to Woodbury County in northwest Iowa because of pretrial publicity.