New York Mayor Zohran Mamdani said Monday he plans to attend this year’s Sept. 11 commemoration marking the 25th anniversary of the terrorist attacks, despite a growing petition from some victims’ family members urging him not to participate.

Speaking at a news conference, Mamdani said he would “proudly honor the families, the survivors, the first responders forever impacted by that horrific terror attack by standing alongside them at this year’s 9/11 commemoration.”