Clinton, Sanders campaign in Colorado

Democratic presidential candidates Hillary Clinton and Bernie Sanders campaigned in Denver Saturday before the state's March 1 caucuses.

They both held events before speaking at the Colorado Democratic Party's annual fundraising dinner that set a record for attendance with 1,500 people.

Earlier in the day, Sen. Sanders, of Vermont, spoke to a crowd of 18,000 people at the Colorado Convention Center. The line to attend the rally stretched around the building.

“This looks to me like a group of people who are prepared to make a political revolution,” Sanders said.

He addressed income inequality and what he described as a rigged campaign finance system.

Meanwhile, former Secretary of State Clinton's campaign held a smaller event to highlight gun violence. Former congresswoman Gabrielle Giffords and her husband, former astronaut Mark Kelly, led a roundtable discussion on the issue.

During their speeches to party donors, KUSA News 9 reported, both candidates said President Obama should name the successor to U.S. Supreme Court Justice Antonin Scalia, who died Saturday.

Clinton and Sanders rejected the suggestion by some Republicans that the task should be left for the next president.

“There are 340 days until the next president takes office, so that is plenty of time,” Clinton said.