Notes, flowers and other items decorate a squad car at a makeshift memorial in front of the Dallas police department in Texas, July 9, 2016. Five police officers were killed and seven other officers, and two civilians, were wounded Thursday night when gunfire broke out during a peaceful protest against police-related shootings earlier in the week.
In Photos: Memorial to Dallas Police Officers

9
Jasmine Ruiz writes a note at a makeshift memorial in front of the police department in Dallas, July 9, 2016. Five police officers were killed in a shooting in downtown Dallas on Thursday.

10
Notes are pinned to a squad car at a makeshift memorial in front of the police department in Dallas, July 9, 2016. Five police officers were killed in a shooting in downtown Dallas on Thursday.

11
Flags fly at half-staff at a makeshift memorial near the crime scene two days after a gunman ambushed and killed five police officers at a protest decrying police shootings of black men, in Dallas, July 9, 2016.