The alleged gunman is believed to have uploaded videos and 'manifesto' documents to a website which "point to deeply racist views".
Police raided over a dozen locations in six states.
A suspected terrorist wearing a fake suicide bomb was shot dead by police after stabbing two people in a "confusing and alarming" attack in a busy London street.
2018 saw the fourth consecutive drop in terrorism deaths — but the problem is increasing around the globe, as Institute for Economics and Peace MENA director Serge Stroobants explains.
Two inmates used “improvised bladed weapons” in the assault at Whitemoor jail, a maximum-security facility 120 kilometres north of London.
Five people were stabbed and slashed in the Saturday attack north of New York City.
Europe, you've changed. Here are the 10 events that have changed Europe in the last 10 years.
Turkey takes in 15 victims of Somali blast for medical treatment. It has been supporting the country since 2011.
The attack was one of the most deadly in the West African nation's history.
Jack Merritt, 25, and Saskia Jones, 23, were killed on Friday when Usman Khan, a man convicted of terrorism offences, went on the rampage with kitchen knives near London Bridge.
An eyewitness said that a man took a narwhal tusk from Fishmongers' Hall and confronted the terrorist with it.
Police are treating it as a terrorist attack
Jack Merritt, 25, of Cottenham, Cambridgeshire and Saskia Jones, 23, of Stratford-upon-Avon, Warwickshire, died in the attack, police said, as well as the suspect.
Christmas markets around Europe are open for business — including in Strasbourg, which refuses to be cowed by last year’s Islamist gun rampage.
Whilst still only a fraction of global terror deaths are attributed to the far-right, it is a growing menace in the west, rising 320% in the last five years.
Ayden James, 28, was convicted about his 2017 stay in an Iraqi base held by the Kurdistan Worker's Party (PKK) which is recognised as a terrorist organisation by the UK.
The industrial giant is still accused of financing terror groups including IS as it tried to keep its Syrian plant open amid the conflict.
"Despite the change in the threat level, terrorism remains one of the most direct and immediate risks to our National Security," Home Secretary Priti Patel said in a statement.
Corporal Ronan Pointeau, 24, died in the northeastern region of Menaka as his vehicle was "struck by an explosive device," the Ministry of Defence said.
The so-called Islamic State confirmed the death of its leader Abu Bakr al-Baghdadi and vowed revenge against United States.
The jihadist organisation confirmed that their leader Abu Bakr al-Baghdadi and chief spokesman had died after the US announced the deaths earlier this week.
The death of Abu Bakr al-Baghdadi, the leader of the so called Islamic State group or Daesh, leaves a vacuum at the top of the terrorist organisation, and while the frequency of IS attacks on European soil has been decreasing recently. EU officials are warning the threat is far from over.
Explosives training has always been a dangerous undertaking for security workers, but a special substance is designed to make officials and passengers safe
Despite Trump’s grandstanding, and despite even this latest, legitimately positive news regarding Abu Bakr al-Baghdadi, the past few weeks have not been a collective success. Rather, they have been a boon for America’s adversaries and a catastrophe for its friends.
How Kurdish-led intelligence helped track Baghdadi
Following the Turkish military offensive in Northeast Syria, the lives of hundreds of European nationals - men, women and children are at risk. We took the issue to parliament with our documentary Europe's Children of ISIS.