Barack Obama condemns Dallas attack, calls it “a vicious, calculated and despicable attack on law enforcement”.

U.S President, Barack Obama, has condemned the Thursday night attack of gunmen that resulted in the killing of 5 police officers with seven others injured.

It was the second statement about shootings in American the President made from Europe in less than 12 hours. He condemned the shootings by police of black men in Minnesota and Louisiana shorty after arriving in Europe and made and a broad diagnosis of American racial imbalance. Hours later, after chaos erupted in Dallas and five police officers were killed in sniper shootings that began during protests stemming from the Minnesota and Louisiana shootings, Obama promised justice.

"There is no possible justification for these kinds of attacks or any violence against law enforcement," Obama said, speaking from the NATO summit in Poland that he is attending. "Anyone involved in the senseless murders will be held fully accountable. Justice will be done."

"Today is a wrenching reminder of the sacrifices they make for us," Obama said of law enforcement officers. "We also know when people are armed with powerful weapons, unfortunately, it makes attacks like these more deadly and more tragic."

Obama said he wanted Friday to "focus on the victims and their families."

"They are heartbroken," Obama said. "The entire city of Dallas feels this to its core. We are grieving with them. I ask you say a prayer for the officers and their families. Keep them in your thoughts."