An explosion on a London Underground train at rush hour Friday morning that injured at least 22 people is being treated as a terror attack, authorities said.
The British people have endured multiple politically motivated attacks, attacks by right-wing extremists and attacks by Islamic extremists over the last few decades.
April 1999: David Copeland bombings
David Copeland was convicted in 2000 of killing three people and injuring 139 others after perpetrating a series of nail-bombing attacks that took place across the month of April 1999, according to reports by BBC News.
He was given six life sentences for his crimes.
Copeland, who belonged to far right-wing fascist groups according to a report in The Independent, targeted black, South Asian and gay Londoners in his plot.
July 7, 2005: London Underground attack
Four suicide bombers armed with “rucksacks full of explosives” attacked civilians traveling on London Underground trains as well as a double-decker bus on the morning of July 7, 2005. More than 50 people were killed and hundreds of others were injured, according to a report by BBC News.
Mohammad Sidique Khan, 30, Shehzad Tanweer, 22, Hasib Hussain, 18, and Germaine Lindsay, 19, carried out the attacks, according to the BBC.
May 22, 2013: Murder of Lee Rigby
Two Islamic extremists savagely murdered Lee Rigby, a British soldier and veteran of the Afghanistan War, just outside an army barrack, telling eyewitnesses the killing was “as an eye for an eye … because Muslims are dying by British soldiers every day,” according to ABC News reporting from that time.
The killers, Michael Adebolajo and Michael Adebowale, first ran over Rigby in a car then dragged him into the middle of the street in the South London neighborhood of Woolwich.
There, they hacked him to death with large knives, according to eyewitnesses.
Adebolajo and Adebowale…