teju ologboni: we have the strength to do anything, 300 hey, that's the idea. terrance robinson: i would just like to see a change. a change in the stereotypes, a change in the atmosphere all of that. thema: everyone who attended received a bracelet that said "unify." today marks 15 years since the 9/11 terror attacks. looking ahead -- officials in milwaukee will be at a memorial ceremony. -- right now, officials in memorial are at a memorial center. it began just a moment ago, at the war memorial center. milwaukee mayor tom barrett and county executive chris abele will be there, and they're inviting everyone to attend. this is a look at last year's event. the ceremony will honor the victims and first responders who died from the attacks. governor walker is also honoring the victims of the 9/11 attacks. he is that -- state capitol in just a few hours. last year, walker attended the memorial event here in milwaukee. from the white house to wall street -- people across the country are gathering to mourn the september 11 attacks, to remember and to heal. abc's mar

community activist teju ologboni says it's time to stand as one >> we have the strength to do anything. 300 strong. 300 more, that is the idea. >> the power to change the city is in our own hands. -- ben: police involved shooting of sylville smith in august led to unrest and multiple businesses being set on fire in sherman park common council president ashanti hamilton says that can't define the city. >> to know that folks are willing to have the positive conversations, that is good. ben: people i spoke to say we are all keep milwaukee. >> there is a lot of positive we don't see. i would like to see a change. a change in the stereotypes. a change in the atmosphere, all of that. anchor: a special tribute to milwaukee broadcaster eric von during that 300 strong event participants released baloons to honor his life, work and role as a major voice in the community. he was a sherman park resident, dedicated to improving the lives of others. as you can see here, the sun just picking out as the balloons floated away. >> it was a gratifying moment cv to see the sun coming out. anchor: ashanti