Southwestern Connecticut police departments are reviewing safety procedures after the Thursday night attack in Dallas that killed multiple police officers and injured others, as well as civilians, at an otherwise peaceful protest over police-involved shootings. 

In response to the attack, Bridgeport police officers received a memo from their chief urging them to be aware of their surroundings and to not hesitate to call for backup if they think it's necessary.

News 12 asked Chief AJ Perez if he is worried about his officers being targeted because of the ongoing tension regarding police-involved shootings. But Perez also notes the department has a good relationship with the minority community. He says transparency is the key.

In Norwalk, many officers say they're on edge -- their job is dangerous on a normal day, but in the wake of three high-profile shootings this week, officers say tensions are at a boiling point.

But some people expressed hope. The former president of Norwalk's branch of the NAACP says relations between the community and local police are generally good.

"What we can't get involved in is, 'You take one of mine, and I'll take one of yours,'" says the Rev. Lindsay Curtis, of Connecticut's State Missionary Baptist Convention.

Activists have planned a prayer vigil for next Thursday in Bridgeport. Other groups are scheduling meetings between police and the community.