DALLAS (AP) — The Latest on a Martin Luther King Jr. Day discussion involving widows of police officers who were slain and others affected by violence (all times local):

8:55 p.m.

Hundreds of people have attended a Martin Luther King Jr. Day discussion that included the widows of Baton Rouge, Louisiana, police officers who were slain and others affected by violence.

U.S. Rep. Eddie Bernice Johnson said during the event Monday in Dallas that "the only way you get to know anyone and to know their thoughts is to communicate with them." She added that "you can't assume everyone has had the same experiences."

U.S. Sen. Ted Cruz also attended and spoke briefly. Others participating included Houston rap artist Scarface and NFL Hall of Famer Deion Sanders.

John Carlos also took part in the event. Carlos and Tommie Smith staged one of the most iconic protests in sports history, when they raised their fists during the medals ceremony at the 1968 Olympics.

Omar Jahwar, CEO of the Dallas-based nonprofit Urban Specialists, led the main conversation.

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12:15 a.m.

Loved ones of a black man fatally shot by police in Baton Rouge, Louisiana, and two officers — one black and one white — ambushed and killed in that city days later will take part in a Martin Luther King Jr. Day discussion.

Omar Jahwar, CEO of the nonprofit Urban Specialists, hopes Monday's event in Dallas sends "a signal of unity out."

Alton Sterling was killed July 5, 2016, in an encounter with two white officers. On July 17, 2016, a black military veteran killed three officers and wounded three others before he was shot dead.

Widows of two of the slain officers will join the mother of three of Sterling's children in the conversation.

Jahwar says "we all have to be a part of this" for it to work.