Original sentence: The crash killed all 243 passengers, all 16 crew and 11 people on the ground (all of which were residents of Sherwood Cresent, Lockerbie), making it the worst terrorist attack involving an aircraft in the UK
Edited sentence: The crash killed all 243 passengers, all 16 crew and 11 people on the ground (all of whom were residents of Sherwood Cresent, Lockerbie), making it the worst terrorist attack involving an aircraft in the UK