Dallas police chief David Brown speaks during a memorial service for the victims of the  police shooting in Dallas, Texas. When asked, as an African-American police officer  how to bridge the divide between the two, the self-effacing Brown turned to humour. Photograph:  Mandel Ngan/AFP/Getty Images

At one of the many press conferences he held in the wake of the murders of four of his police officers and a transit cop – the deadliest day for US la(...)

Dallas police chief David Brown: “We’re convinced that this suspect had other plans.”  Photograph: Erik S Lesser/EPA

The gunman who killed five police officers in a sniper ambush in Dallas last week was plotting larger attacks, the city’s police chief David Brown has(...)

Dallas Police Chief David Brown  said he was convinced  any hesitation in giving the go-ahead to kill the shooting suspect on Thursday night would have allowed the gunman the chance to harm more police officers. Photograph: Erik S Lesser/EPA

The chief of the Dallas Police Department on Sunday vigorously defended the use of a bomb mounted on a robot to kill a gunman who shot to death five p(...)

Tia Williams and her daughter Aissa protest on the street outside the Minnesota governor’s official residence in St Paul, Minnesota, as people gathered to demonstrate against the shooting of Philando Castile by police. Photograph: Richard Tsong-Taatarii/Star Tribune/AP

Three days of killings in Louisiana, Minnesota and Texas ripped open the festering wounds of alleged police aggression and racial profiling, and gun v(...)

Dallas police chief David Brown during a vigil at Thanksgiving Square in Dallas, Texas, following a sniper attack during a peaceful protest on Thursday which left five police officers dead. Photograph: Laura Buckman/AFP/Getty Images

The United States was left reeling from the deadliest attack on American law enforcement since 9/11 as five policemen were shot dead and seven other o(...)

Bishop Kevin Farrel: “When you listen to the rhetoric that we are dished every night on television from our so-called leaders and politicians, what do you expect to happen? This tension in the country is at an all-time high.”

Dublin-born Bishop of Dallas Kevin Farrell has said that Thursday night’s killing of five police officers in the city was “a symptom” of the heighten(...)

 Dallas mayor Mike Rawlings (right) conducts a press conference at Dallas City Hall as Dallas Police Chief David Brown looks on following the fatal shootings of five police officers on July 8th, 2016 in Dallas, Texas. Photograph: Stewart FHouse/Getty Images

A suspected gunman in the ambush-style shooting of 12 Dallas police officers, killing five, has been named as Micah Xavier Johnson, a 25-year-old army(...)

A man holds a sign of support during a prayer vigil in a park following the  shooting dead of five police officers in Dallas, Texas, US, July 8th, 2016. Photograph: Carlo Allegri/Reuters

A black US Army reservist who served in the Afghan war and said he wanted to “kill white people” took part in an attack in which five police officers(...)