Photos: Dallas officers memorial

President Barack Obama, pauses while speaking during a memorial service at the Morton H. Meyerson Symphony Center, Tuesday, July 12, 2016, in Dallas, for five police officers were killed and several injured during a shooting in downtown Dallas last Thursday night.

President Barack Obama delivers remarks during an interfaith memorial service, honoring five slain police officers, at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

President Barack Obama (L) listens to Dallas Police Department Chief David Brown (R) during the Interfaith Tribute to Dallas Fallen Officers at the Morton H. Meyerson Symphony Center in Dallas on July 12, 2016.

President Barack Obama delivers remarks during an interfaith memorial service, honoring five slain police officers, at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

Dallas Police Department Chief David Brown (R) speaks during the Interfaith Tribute to Dallas Fallen Officers at the Morton H. Meyerson Symphony Center in Dallas on July 12, 2016.

Former first lady Laura Bush (L), former US president George W. Bush (2nd-L) and US President Barack Obama and First Lady Michelle Obama attend an interfaith memorial service for the victims of the Dallas police shooting at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

People attend the Interfaith Tribute to Dallas Fallen Officers at the Morton H. Meyerson Symphony Center in Dallas, Texas, USA, 12 July 2016.

President Barack Obama, First Lady Michelle Obama, former President George W. Bush, former First Lady Laura Bush, Vice President Joe Biden and his wife Jill Biden attend the Interfaith Tribute to Dallas Fallen Officers at the Morton H. Meyerson Symphony Center in Dallas, Texas, USA, 12 July 2016.

Officials stand for the National anthem during a memorial service at the Morton H. Meyerson Symphony Center with the families of the fallen police officers, Tuesday, July 12, 2016, in Dallas.

President Barack Obama and First Lady Michelle Obama attend an interfaith memorial service for the victims of the Dallas police shooting at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

President Barack Obama, right, stands with first lady Michelle Obama, and former President George W. Bush, center, and Barbara Bush, during a memorial service at the Morton H. Meyerson Symphony Center with the families of the fallen police officers, Tuesday, July 12, 2016, in Dallas.

Dallas Police Chief David Brown (2nd-L)and Dallas Area Rapid Transit Police Chief James Spiller (2nd-R) attend an interfaith memorial service for the victims of the Dallas police shooting at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

Vice President Joe Biden(2nd-L), Jill Biden(L) and former president George W. Bush(R) and former first lady Laura Bush attend an interfaith memorial service for the victims of the Dallas police shooting at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

Portraits of the five fallen Dallas police officers on stage during the Interfaith Tribute to Dallas Fallen Officers at the Morton H. Meyerson Symphony Center in Dallas, Texas on July 12, 2016.

People wait to enter the Interfaith Tribute to Dallas Fallen Officers at the Morton H. Meyerson Symphony Center in Dallas on July 12, 2016.

Members of law enforcement wait to enter the Morton H. Meyerson Symphony Center for a memorial for fallen police officers on July 12, 2016, in Dallas.

Wounded DART police officer Misty McBride (C) arrives with her daughter Hunter (R) to the Interfaith Tribute to Dallas Fallen Officers at the Morton H. Meyerson Symphony Center in Dallas on July 12, 2016.

DART police officer Misty McBride, right, is embraced by a fellow officer as she arrives for a memorial at the Morton H. Meyerson Symphony Center, Tuesday, July 12, 2016, in Dallas.

Police officers arrive at an interfaith memorial service, honoring five slain police officers, at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

President Barack Obama and first lady Michelle Obama walk across the South Lawn of the White House in Washington, Tuesday, July 12, 2016, traveling to Dallas to speak at an interfaith memorial service for the five police officers slain in the line of duty late last week.

Reserved seats contain American flags and police hats during an interfaith memorial service, honoring five slain police officers, at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

Law enforcement officers attend an interfaith memorial service, honoring five slain police officers, at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.

Reserved seats contain American flags and police hats during an interfaith memorial service, honoring five slain police officers, at the Morton H. Meyerson Symphony Center on July 12, 2016 in Dallas, Texas.