Families, law enforcement officials honor 9/11 victims at ceremony

Flowers and flags left for those who died on Sept. 11, 2001, on the 18th anniversary of the attacks.

Flowers and flags are left honoring those who died in the 9/11 attacks at the World Trade Center.

Lt. Jason Cintron, with his daughter Miyanna, honor his sister, Maria Ramirez, who died on 9/11.

Relatives and friends of those killed on Sept. 11, 2001, walk toward the National September 11 Memorial & Museum for a ceremony commemorating the 18th anniversary of the attacks.

A flower at the site of the National September 11 Memorial Museum, left on the 18th anniversary of the 9/11 attacks.

The U.S. flag is brought in at the start of the ceremony commemorating the 18th anniversary of the 9/11 attacks on the World Trade Center in Manhattan.

Gov. Andrew M. Cuomo and former Mayor Rudy Giuliani attend the ceremony marking the 18th anniversary of the 9/11 terrorist attacks.

At the 18th anniversary ceremony honoring those who died in the 9/11 terrorist attacks, Rosemarie Cain remembers her son, George Cain of Ladder 7, who was killed.

On the 18th anniversary of the attacks, Sgt. Edwin Morales remembers his cousin Ruben Correra, a firefighter who died on 9/11. He is with Emily Toro, who lost her son, Isaac Thomas Cortes, on Nov. 27, 2007 in the war in Iraq.

Sgt Edwin Morales remembers his cousin Ruben Correra, a firefighter who died on 9/11.

Family members honor lost ones on the 18th anniversary of the 9/11 attacks on the World Trade Center that killed thousands.

Mourners listen to the names being read at the ceremony marking the 18th anniversary of the Sept. 11, 2001 attacks.

Relatives and friends attend a ceremony at the National September 11 Memorial & Museum commemorating the 18th anniversary of the terrorist attacks.

Relatives and friends at the National September 11 Memorial & Museum attend the ceremony commemorating the 18th anniversary of the terrorist attacks.

Men trot on horseback near the National September 11 Memorial & Museum as part of the ceremony commemorating the 18th anniversary of Sept. 11, 2001 terrorist attacks.

Relatives and friends at the National September 11 Memorial & Museum in Manhattan for a ceremony commemorating the 18th anniversary of the terrorist attacks on Wednesday.

Connie Dray holds a picture of her cousin, Mary Lou Hague, of Vienna, W. Va., who worked as a financial analyst on 89th floor of the south tower and died on 9/11.

A mourner attends the 18th anniversary ceremony for the 9/11 attacks on the World Trade Center that killed thousands.