DENVER (AP) — One day after an 18-year-old gunman critically wounded a student and killed himself at a Colorado high school, more than 200 people gathered in Denver to remember those killed in the Connecticut school shootings.

The crowd at Cheesman Park sang and offered prayers and rang a bell for the 20 children and six adults killed at Sandy Hook Elementary School.

Twenty-six people rang a bell for the 20 students and six adults killed at Sandy Hook Elementary School.

The crowd joined together to sing "Amazing Grace."

Among those attending was Megan Sullivan, who lost her brother, Alex, in the 2012 Aurora movie theater shootings. Sullivan offered a message of hope for those touched by school violence.

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