July 7, 2005 (The 7/7 Bombings): The deadliest Islamist terrorist incident in UK history. Four separate suicide bombers detonated homemade devices on three London Underground (Tube) trains and a double-decker bus during the morning rush hour, killing 52 people and injuring approximately 800.

March 22, 2017 (Westminster Bridge): A lone attacker drove a car into pedestrians on Westminster Bridge, killing four people, before fatally stabbing a police officer guarding the Palace of Westminster. The attacker was shot and killed by police.

June 3, 2017 (London Bridge and Borough Market): Three men drove a hired van into pedestrians on London Bridge before crashing and initiating a mass stabbing spree in nearby Borough Market. Eight people were killed and 48 injured before the attackers were shot dead by police within eight minutes.

November 29, 2019 (Fishmongers' Hall): A convicted terrorist wearing a fake suicide vest killed two people and injured three others inside Fishmongers' Hall near London Bridge before civilians tackled him and police shot him dead.

February 2, 2020 (Streatham): An attacker wearing a fake suicide vest stabbed two bystanders on Streatham High Road. He was shot dead by police within 62 seconds of launching the attack, which occurred while he was under active counter-terrorism surveillance.

(http://www.autoadmit.com/thread.php?thread_id=5877663&forum_id=2,5#49964818)

https://en.wikipedia.org/wiki/Whitechapel_murders

(http://www.autoadmit.com/thread.php?thread_id=5877663&forum_id=2,5#49964871)

"On 12 February 1993 in Merseyside, England, two 10-year-old boys, Robert Thompson and Jon Venables, abducted, tortured, and murdered a two-year-old boy, James Patrick Bulger"

https://en.wikipedia.org/wiki/Murder_of_James_Bulger

(http://www.autoadmit.com/thread.php?thread_id=5877663&forum_id=2,5#49964872)