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DENVER -- The fight for a $15 an hour minimum wage continued Thursday morning as workers marched on a McDonald's on the east side and downtown Denver. It's part of of a nationwide protest planned in hundreds of cities across the country.

State lawmakers in California worked out a deal last month with labor unions to hike the minimum wage to $15 an hour by 2022. New York has approved the $15 minimum wage for more than 2 million workers. And Seattle has already passed a $15 minimum wage.

The battle is also winning a lot of support in places like Oregon and Pennsylvania. The minimum wage in Colorado is $8.31.

“We proudly invest in the future of those who work in McDonald's restaurants," McDonald's spokeswoman Lisa McComb said. "In addition to raising the minimum wage for employees at our company-owned restaurants, we also offer employees access to Archways to Opportunity, a set of programs McDonald’s pays for which helps them earn a high school diploma and get needed tuition assistance so they can work toward earning a college degree."

The Denver protest will move to Civic Center Park in downtown Denver where a rally is planned for 11:30 a.m.