Presumptive GOP nominee Donald TrumpDonald TrumpPoll: 73 percent of Democratic voters would consider voting for Biden in the 2024 primary Biden flexes presidential muscle on campaign trail with Virginia's McAuliffe Has Trump beaten the system? MORE has declined an invitation to attend the NAACP's convention, the group's president said Tuesday.

"We will hear from Secretary Clinton. We won't hear from Mr. Trump," NAACP President and CEO Cornell William Brooks said Tuesday on CNN.

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"The explanation given was that they're holding their convention at the same time. We of course, are in Cincinnati, they are in Cleveland. We were hoping that he would make the short trip from Cleveland to Cincinnati."

Presumptive Democratic nominee Hillary ClintonHillary Diane Rodham ClintonBiden flexes presidential muscle on campaign trail with Virginia's McAuliffe Shontel Brown gaining ground against Nina Turner in Ohio: poll Biden hits trail for McAuliffe in test of his political brand MORE will speak at the NAACP convention on July 18. The convention coincides with the Republican National Convention, which will run from July 18-21.

Brooks said Tuesday the NAACP convention is a chance for presidential candidates to talk about their positions on a variety of different issues facing the country.

"The NAACP, representing millions of Americans, we represent an occasion for those running for president to speak to the nation's most critical issues at a critical hour in this country," Brooks said.

"You can't run for president and not talk about police misconduct and police brutality. You can't run for president and not talk about the nation's civil rights agenda, so this is an important moment," he continued.

"And our convention really will be an opportunity for anyone running for president to provide a window into not only their policies but into their heart and character as a candidate."