Flight MH17, a Boeing 777, crashed July 17, 2014 during a scheduled flight from Amsterdam to Kuala Lumpur. All 298 people onboard were killed. Damage found on aircraft wreckage of indicated there were impacts from a large number of high-energy objects from outside the aircraft, according to a Dutch Safety Board accident report.
The Dutch report also said that three other airliners were in the area when MH17 crashed; one of them, a Boeing 777, was following MH17 on the same track and altitude.