A police officer and three other people were killed when a domestic dispute at a bank escalated into shootings at three locations in Wisconsin.

German chancellor Angela Merkel was among those paying tributes to the victims of the July 22 shooting in Munich which saw nine people killed.

President Barack Obama has said the shootings of five Dallas police officers would appear to have exposed "the deepest fault line of our democracy" but that Americans must reject such despair.

Following the recent shootings in America, John Robert Lewis, the U.S. Representative for Georgia’s 5th congressional district, has shared his experience of using a whites-only restroom 55 years ago.

The suspect in the deadly attack on Dallas police taunted authorities during two hours of negotiations, laughing at them, singing and at one point asking how many officers he had shot, the city's police chief has revealed.

An Army veteran killed by Dallas police after he fatally shot five officers amassed a personal arsenal at his home, including bomb-making materials, bulletproof vests, rifles, ammunition and a journal of combat tactics.

The suspected gunman killed in a stand-off with Dallas police was an army veteran who served in Afghanistan.

Barack Obama has said the shooting of about a dozen police officers in Dallas was a vicious, calculated and despicable attack on law enforcement.

Update 3.49pm: A suspect in the gun attack on police in the heart of Dallas told officers he was upset over recent police shootings of black men and wanted to kill white people, according to officials.

The death toll has since risen as five Texas police officers have been killed and seven wounded when shots were fired at a Black Lives Matter rally in downtown Dallas.

The US Attorney General Loretta Lynch has arrived in Orlando to meet with prosecutors, first responders and families of the victims of last week's nightclub shooting.

Taoiseach Enda Kenny has tonight sent a letter of condolence to US president Barack Obama over the "shocking" loss of life in the Orlando mass shootings, saying "Ireland stands with the US in this time of immeasurable grief", writes Fiachra O Cionnaith - Irish Examiner.

A former detective has said the new Special Crime Taskforce will take resources away from other areas of the Gardaí.

A dissident republican was shot dead in the pub he was running despite an armed garda patrol on a neighbouring street, it has been revealed.

Police in Ohio have interviewed more than 30 people in the investigation into the fatal shootings of eight family members at four different locations.

Garda Commissioner Nóirín O'Sullivan has been forced to defend her organised crime units having no intelligence that a boxing weigh-in would be targeted by a gangland hit squad.

A gunman opened fire at a school and a second location in an aboriginal community in Canada, leaving four dead and at least two injured.

There have been more than 350 shootings this year, in which four or more people were wounded or killed in the US, according to the crowd-sourced website shootingtracker.com, which keeps a running tally of gun violence.

Update at 2.20am: Five of the attackers are reported to be 'neutralised'.

A truck’s passenger window shattered on a Phoenix motorway on Wednesday as Arizona authorities investigated a string of highway shootings that have rattled nerves and heightened fears of a possible serial shooter.

The white man accused of killing nine black churchgoers during a Bible study should face the death penalty, according to court documents.

Police in Belfast are investigating two shootings that happened in the city last night.

Hundreds of people packed a sweltering Emanuel African Methodist Episcopal Church in Charleston yesterday as it re-opened to worshippers just days after a 21-year-old white gunman shot dead nine black church members.