WATCH: President Obama Reaction to Dallas Shootings

President Obama on the attacks in Dallas, TexasPresident Obama delivers a statement on the attacks on law enforcement in Dallas, Texas.2016-07-08T14:09:59.000Z

President Barack Obama is in Warsaw this week for a NATO meeting and for the second time during the meeting, he had to deliver a statement on a shooting back in the U.S. Today, he reacted to the Dallas shooting, which left five police officers dead, saying that there was “no possible justification” for the violence.

Obama said that, although he is overseas, his team was keeping him up to date on the investigation. He also called Dallas Mayor Mike Rawlings to express his condolences. He also said that Dallas will receive all the federal assistance it needs.

“We still don’t know all the facts,” Obama said. “What we do know is that there has been a vicious, calculated and despicable attack on law enforcement. Police in Dallas were on duty, doing their jobs, keeping people safe during peaceful protests. These law enforcement officers were targeted, and nearly a dozen officers were shot. Five were killed. Other officers and at least one civilian were wounded — some are in serious condition, and we are praying for their recovery.”

He later continued, “There is no possible justification for these kinds of attacks or any violence against law enforcement. The FBI is already in touch with the Dallas police, and anyone involved in these senseless murders will be held fully accountable. Justice will be done.”

The victims are Dallas Police Officers Michael Krol, Patrick Zamarripa, Michael Smith and Lorne Aherns; and DART Officer Brent Thompson. The other two officers have not been identified yet. Micah Xavier Johnson was identified as the suspect.

This is the second time during this NATO meeting that Obama has had to comment on news back home. He issued a statement on the shootings of Philando Castile and Alton Sterling just after landing in Poland.

President Obama on the fatal shootings of Alton Sterling and Philando CastilePresident Obama delivers a statement on the reported police shootings in Louisiana and Minnesota. Warsaw, Poland. July 7, 20162016-07-07T23:32:44.000Z

Obama has also declared that all flags be lowered to half-staff until July 12.

Here is Obama’s complete statement on the Dallas shootings:

With your understanding, I want to begin with a few words about the situation back in the United States, specifically the situation in Dallas, Texas.

My team has been keeping me updated throughout the morning of the evening in Dallas. I spoke this morning with Mayor Rawlings of Dallas to convey the deepest condolences of the American people. I told him that the federal government will provide whatever assistance Dallas may need as it deals with this tremendous tragedy.

We still don’t know all the facts. What we do know is that there has been a vicious, calculated and despicable attack on law enforcement. Police in Dallas were on duty, doing their jobs, keeping people safe during peaceful protests. These law enforcement officers were targeted, and nearly a dozen officers were shot. Five were killed. Other officers and at least one civilian were wounded — some are in serious condition, and we are praying for their recovery.

As I told Mayor Rawlings, I believe that I speak for every single American when I say that we are horrified over these events, and that we stand united with the people and the police department in Dallas. According to police, there are multiple suspects. We will learn more, undoubtedly, about their twisted motivations. But let’s be clear: There is no possible justification for these kinds of attacks or any violence against law enforcement. The FBI is already in touch with the Dallas police, and anyone involved in these senseless murders will be held fully accountable. Justice will be done.

I will have more to say about this as the facts become more clear. For now, let me just say that even as yesterday I spoke about our need to be concerned, as all Americans, about racial disparities in our criminal justice system, I also said yesterday that our police have an extraordinarily difficult job and the vast majority of them do their job in outstanding fashion. I also indicated the degree to which we need to be supportive of those officers who do their job each and every day, protecting us and protecting our communities.

Today is a wrenching reminder of the sacrifices that they make for us. We also know that when people are armed with powerful weapons, unfortunately it makes attacks like these more deadly and more tragic. And in the days ahead, we’re going to have to consider those realities as well.

In the meantime, today our focus is on the victims and their families. They are heartbroken. The entire city of Dallas is grieving. Police across America, which is a tight-knit family, feels this loss to their core. And we’re grieving with them. I’d ask all Americans to say a prayer for these officers and their families. Keep them in your thoughts. And as a nation, let’s remember to express our profound gratitude to our men and women in blue — not just today, but every day.