Shooting of Dallas officers spurs acts of kindness to police

"He is the officer in charge, and I think he made the right call", Rawlings said.

"When we start suggesting that somehow there's this enormous polarization and we're back to the situation in the '60s and". It was unclear who reported the suspicious person.

Dallas remained on edge on Saturday.

John Fife hands a police officer guarding Jack Evans Police Headquarters a rose in Dallas on Friday July 8, 2016.

Micah Johnson, who donned a protective vest and used a military-style semi-automatic rifle, was killed by a robot-delivered bomb after the Thursday evening shootings, authorities said.

The rally in Dallas followed the fatal police shootings of Philando Castile, 32, near St. Paul, Minnesota, on Wednesday, and Alton Sterling, 37, in Baton Rouge, Louisiana, on Tuesday.

Americans of all stripes were outraged a "deranged" individual killed the five officers in Dallas just as American have deep concerns about police shootings in Louisiana and Minnesota, said the President, speaking in Warsaw, Poland, where he was attending a North Atlantic Treaty Organisation conference.

"White Americans need to do a better job of listening when African-Americans talk about the seen and unseen barriers" against them, Clinton said. The reality is, that we're going to only end this whole issue, when we get control of the significant amount of violence in urban America.

But advocates warn that robots may be overused because they will allow deadly force to be applied more easily said Jay Stanley, a senior policy analyst for the American Civil Liberties Union.

"The demented individual who carried out those attacks in Dallas - he's no more representative of African-Americans than the shooter in Charleston was representative of white Americans, or the shooter in Orlando or San Bernardino were representative of Muslim-Americans", Obama added, referring to a string of mass shootings in the past year.

Dallas Police Officer Patrick Zamarripa was one of the five police officers killed in the ambush in Dallas, according to social media posts from family members and reports from local media outlets. In a press conference, Dallas police chief David O. Brown said Johnson cited the recent fatal shootings of black men in Louisiana and Minnesota as reasons for shooting officers.

Obama, who has been blocked by the Republican-led U.S. Congress in his bid for new gun-control measures, expressed new frustration over lax firearms laws in the United States, saying it is unique among advanced countries in the scale of violence it experiences.

"Black Lives Matter, as far as I am concerned, is a radical hate group", he said.

The O'Fallon Police Department posted: "You have no idea how much this means to us".

"So we can not let the actions of a few define all of us", he said. He is the first officer killed in the line of duty since DART formed its own police department in 1989, according to the organization.

While Thursday's (Friday NZT) attack stunned Dallas into mourning, it did not stop demonstrations against police killings around the country.

Thousands of protesters took to the streets in several cities on Friday, clogging roadways in New York, Atlanta and Philadelphia. Events in San Francisco and Phoenix also drew large crowds.

A Dallas police spokeswoman said earlier Saturday that the department received an anonymous threat against law enforcement across the city and has tightened security.

Police use of force, particularly against African-Americans, has come under intense and sometimes angry scrutiny in the past two years because of a string of high-profile deaths in cities from Ferguson, Missouri, to NY. Yesterday's attack was the result of the actions of a lone gunman. Zamarripa was a father of two, his family wrote; military records show he was a U.S. Navy veteran who had been deployed to Bahrain as part of the Iraq war effort. Yet there were also hints that his decision to open fire on law enforcement was hardly a spur-of-the-moment move; authorities found an arsenal at his home in a Dallas suburb, including a cache of weapons and ammunition as well as bomb-making materials and a journal of combat tactics.

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