Rosemarie Pete of Falmouth and fellow members of Green Memorial AME Zion Church in Portland sing during a rehearsal before the start of a multi-faith gathering Monday evening in response to last week's attack on a church in Charleston, S.C.

Hundreds of people filled Portland's Merrill Auditorium for Monday evening's memorial.

The Rev. Kenneth Lewis of Green Memorial A.M.E. Zion Church speaks at Monday's gathering. He told the crowd, "We can gather and cry, or we can stand and make a difference."

Members of the Green Memorial A.M.E. Zion Church choir sing during Monday evening's multi-faith gathering to pay tribute to the victim's of last week's shootings at a church in Charleston, S.C.

Chanel Lewis, daughter of the Rev. Kenneth Lewis of the Green Memorial A.M.E. Zion Church, said she learned about last week's attack in South Carolina through social media and spent much of that night in tears.

Erin Hennessey, 24, of Portland stands to applaud the words of Penobscot Tribal Elder Donna Loring during Monday’s multifaith memorial for the victims of last week’s shootings in Charleston, S.C.

Young people chant outside Merrill Auditorium after the gathering inside to honor the lives lost in the attack in Charleston.

Hamdi Hassan, 19, of Portland is overcome with emotion while chanting “black lives matter” after Monday’s gathering at Merrill Auditorium.