The blast at the arena in Manchester, England, which officials are investigating as an act of terrorism, would be one of the deadliest such attacks in Western Europe since 2015.
Five of the attacks involved gunmen, and four used a vehicle as a weapon, including the attack last year on the promenade in Nice, France, that killed 84. The Manchester attack would be one of three that used explosives.
- Jan. 8, 2015, Paris
Terrorists wielding assault rifles killed 17 people at the office of the satirical newspaper Charlie Hebdo and other locations in the Paris area.
- Feb. 15, 2015, Copenhagen
A gunman went on a shooting rampage, killing two strangers and wounding five police officers.
- April 19, 2015, Villejuif, France
A man shot and killed a woman in her car, and was believed to be planning an attack on a church congregation, but instead shot himself in the leg.
- Nov. 13, 2015, Paris
A series of coordinated bombing and shooting attacks throughout Paris killed 130 people.
- March 22, 2016, Brussels
Two bombs were set off at the city’s main international airport and a third exploded in a subway station.
- June 13, 2016, Magnanville, France
A police captain was fatally stabbed and his companion was also killed at their home in a small town northwest of Paris.
- July 14, 2016, Nice, France
A man driving a truck barreled down a crowded beach promenade as people gathered to celebrate Bastille Day.
- July 26, 2016, St.-Étienne-du-Rouvray, France
Two men with knives entered a small church and killed a French priest.
- Dec. 19, 2016, Berlin
A driver plowed a truck through a Christmas market.
- March 22, 2017, London
A driver mowed down pedestrians on Westminster Bridge and tried to break into Parliament before being shot and killed by the police.
- April 7, 2017, Stockholm
A man in a truck steered into a crowd on a shopping street and crashed into a department store.
April 20, 2017, Paris
A gunman wielding an assault rifle shot and killed a police officer on the Champs-Élysées before being shot dead.
- May 22, 2017, Manchester, England
An explosion at a concert arena killed or injured dozens.
