Friday morning, the day after the deadly attack on police officers in downtown Dallas, The United Way turned Dallas City Hall into a place to host a blood drive.
The blood drive was scheduled before Thursday night's shootings, but NBC 5 was told there were more people than usual
Police officers joined citizens giving blood, and one officer said it was comforting to see the support there.
One woman who usually goes to give blood said she hugged the first officer she saw.
The latest news from around North Texas.
"I was very emotional when I got here and the first policeman I saw, I start crying and telling him how sorry I am for what's happening," said Dallas resident Yeda Migiliaccio.