It came after the killing of 51 worshipppers at two mosques during Friday prayers in Christchurch last March.
15 people were killed and more than 50 others wounded when a suicide bomber detonated a device on a subway train in April 2017.
Unknown gunmen opened fire at the car of a local MP in the centre of Ukraine's capital on Sunday, killing his three-year-old son, a police source told Reuters.
The Dutch police have arrested a man in connection with a stabbing that injured three on shopping street in The Hague on Friday evening.
Voting for Sri Lanka's new president is marked by an attack on buses carrying Muslims to voting stations.
The directorate of general security in Jordan said a number of tourists, a tour guide and a security officer were stabbed in the attack in Jerash.
A car bomb killed a dozen people and injured 30 on Saturday in Tel Abyad, a Syrian border town that Turkish-backed forces seized last month.
Oslo police shot the suspect 15 minutes after the vehicle was taken.
Gunmen kill around 15 people in attack on Burkina Faso mosque
Drone strikes on key Saudi oil installations last Saturday have reduced the flow of the world's oil supplies by about five percent.
Oil prices rose by nearly 20 percent - the biggest intra-day gain since 1991 - after the attack on Saudi Arabian oil facilities over the weekend.
Tom Frey became sick years after working in the toxic dust and smoke: It's like "a fire in my lungs."
The Brief: The suspect in the Norway mosque shooting has made his first appearance in court. Philip Manshaus does not admit to any crime and is not speaking with investigators.
Thirteen schoolgirls among those wounded in Japan stabbing - Kyodo
Dozens injured including young children in stabbing attack near Japanese capital
Tensions between the US and Iran increased after Washington accused Iran of masterminding the attacks on two oil tankers in the Strait of Hormuz
Pakistan's military kill three attackers after luxury hotel raid on Saturday.
One hotel guard is reported head as the Baluchistan Liberation Army claims responsibility.
Security guards pounced on the Amber Holt, 24, and dragged her away moments after the attack.
Lori Gilbert Kaye is being remembered as a hero for the way she died. But the way she lived was just as inspiring.
A gunman walked into a San Diego-area synagogue crowded on the last day of Passover opened fire, killing one woman in a "hate crime."
Investigations have confirmed there were nine suicide bombers and that eight have been identified, police said.
Prime Minister Ranil Wickremesinghe told a press conference that the person depicted in the CCTV video was a suspect. "I can confirm this man is a suspect," he said.
Sri Lanka blasts: Intel not shared due to 'breakdown in communication'
Twenty years ago, 13 people were killed when two teenage boys dressed in black trench coats killed a teacher and 12 students and wounded dozens of others.
New Zealand Prime Minister Jacinda Ardern has set up a royal commission to investigate the attack on two mosques in the city of Christchurch.