On this day in 1988, Pan Am flight 103 from London Heathrow to JFK was bombed over Lockerbie, Scotland, killing 270 people, 11 of which were on the ground.

After a three-year investigation, two Libyans were issued murder warrants. Libyan leader Muammar Qaddafi eventually handed them over for prosecution after protracted negotiations and sanctions.

You can read on at the link to learn more about the bombing and the aftermath.