CHICAGO (AP) — Billionaire J.B. Pritzker has denied claims he used offshore accounts to avoid taxes, while rivals Chris Kennedy and Daniel Biss are saying he’s unfit to be the party’s nominee for governor.

The three top Democratic candidates met Wednesday at WTTW-TV for an often spirited final debate before next week’s primary.

Kennedy accused Pritzker of lying about the offshore accounts, while Biss compared the billionaire to President Donald Trump. Pritzker, the frontrunner, said his opponents were on the attack because they’re losing.

Much of the debate focused on a Chicago Tribune story that found several offshore shell companies created between 2008 and 2011 that are wholly owned by Pritzker or connected to him. Pritzker says the companies were created by trusts and he has no control over them.

The winner of Tuesday’s GOP primary between Republican Gov. Bruce Rauner and his conservative challenger, state Rep. Jeanne Ives.