#PrayForAmerica: Twitter reacts to a week of violence

After a week marked by shocking violence -- the sniper attack that killed five Dallas police officers Thursday night, and the videotaped shooting deaths of two black men in Louisiana and Minnesota -- people are taking to social media to express their sorrow and call for peace.

#PrayForAmerica has been trending, and it seems to be a statement that everyone can agree on.

Below are some moments that have been resonating on Twitter. Some are uplifting, some are sobering, but all reflect people's wish for a more just and peaceful world.

Some are accompanying it with a call for change.

Some are reflecting on quotes from past peacemakers.

While others are simply expressing their sadness and hopes for a better future.