Babbar Khalsa International (BKI, Punjabi: ਬੱਬਰ ਖ਼ਾਲਸਾ , ] ), also known as Babbar Khalsa, is a terrorist organisation operating primarily Mainly in pakistan, UK, Germany, France, USA, Canada and other nations.
 it is officially banned and designated as an international terrorist organisations by the government of major nations such as USA (since 27 June 2002), Canada, UK, the European Union, and India.
 It gained notoriety for massacring 329 civilians (mostly Canadians) in Air India Flight 182.
 Despite the massacre of innocent victims, as the case is with most terrorists organisations, its supporters try to project it as resistance movement, but it falls in the category of a designated terrorist organisation.
 It also played a prominent role in the Punjab insurgency.
 BKI was created in 1978, after several Sikhs were killed in clashes with the Nirankari sect of Sikhs.
 It was active throughout the 1980s in the Punjab insurgency but its influence declined in the 1990s after several senior terrorists were killed in encounters with police.
Crossair Flight LX 3597 was a scheduled flight from Berlin Tegel Airport, in Germany, to Zürich Airport, in Switzerland.
 On 24 November 2001, the Crossair Avro RJ100 operating the route, registration HB-IXM, crashed into a wooded range of hills near Bassersdorf and caught fire, killing 24 of the 33 people on board.
Crossair Flight 498 was a commuter flight from Zurich, Switzerland, to Dresden, Germany, that crashed two minutes after takeoff in the Swiss municipality of Niederhasli on 10 January 2000.
 The seven passengers and three crew members aboard the two-turboprop engine Saab 340B aircraft all died on impact.
 It was the first fatal crash for the Swiss regional airline Crossair in its 25-year history.
Melanie Janene Thornton (May 13, 1967 – November 24, 2001) was an American pop singer who found fame in Europe during the 1990s.
 She is mostly known around the world as the face and voice behind the Eurodance band La Bouche.
 Her most notable singles "Be My Lover" and "Sweet Dreams" were released under the name of La Bouche between 1994 and 1999.
 She also had a moderately successful solo career in Germany before her death.
 Her solo hits include "Love How You Love Me", "Heartbeat" and "Wonderful Dream (Holidays are Coming)".
 On the night of November 24, 2001 shortly after the final performance in Leipzig, Thornton died in the crash of Crossair Flight 3597 that killed 24 of 33 people onboard.
On 24 August 1998 Myanma Airways Flight 635, run by a Fokker F-27 Friendship (registration XY-AEN) took off from Yangon International Airport in Yangon, Myanmar (Burma), on a two-hour flight to Tachilek Airport in Tachilek, Myanmar.
 The last radio contact with Flight 635 happened when the flight crew reported that they were over Tachilek and descending from 9,500 feet (2,896 m).
 As they were descending, Flight 635 crashed into a 500-foot (152-m) hill two miles (3.2 km) from the airport.
 The accident killed all 36 passengers and crew.
Cubana de Aviación Flight 389 (CU389/CUB389) was a scheduled domestic passenger flight, flying from Mariscal Sucre International Airport in Quito to Simón Bolívar International Airport (currently renamed as José Joaquín de Olmedo International Airport) in Guayaquil, operated by Cuban flag carrier Cubana de Aviación.
 On 29 August 1998, the aircraft operating the flight, a Tupolev Tu-154M overran the runway, smashing buildings and crashed into a soccer field in Quito while taking off from the airport.
 The aircraft burst into flames and 70 people on board were killed.
 A total of 10 people on the ground, including children, were killed.
"Be My Lover" is a song recorded by Romanian singer Inna for the deluxe edition of her third studio album, "Party Never Ends" (2013).
 It was released on 26 July 2013 through Roton.
 The track was written by Uli Brenner, Lane McCray, Gerd Amir Saraf and Melanie Thornton, with production handled by Afrojack and METI.
 Musically, "Be My Lover" encompasses dubstep, electro dance, club and house genres, sampling the 1995 song of the same name by La Bouche, for which Brenner, McCray, Saraf and Thornton received writing credits.
"Wonderful Dream (Holidays are Coming)" is a song by American recording artist Melanie Thornton.
 It was written by Thornton, Mitchell Lennox, Julien Nairolf, Ben Naftali, Terry Coffey, Jon Nettlesbey, Rich Airis, and Scott Temper and produced by Lennox and Nairolf.
 The song was also featured in a Coca-Cola Christmas promotional campaign.
 It was released as a single two days after the death of Melanie Thornton in the crash of Crossair Flight 3597.
Dr. Octagon is a persona created and used by American rapper Keith Matthew Thornton, better known as Kool Keith.
 First appearing on Thornton's 1996 debut solo album, "Dr. Octagonecologyst", Dr. Octagon is an extraterrestrial time traveling gynecologist and surgeon from the planet Jupiter.
 Thornton performed and released two albums under the alias.
 The character was murdered by Dr. Dooom on Thornton's 1999 album "First Come, First Served", and was briefly revived before once again being killed on Thornton's 2008 album "Dr. Dooom 2", in response to the release of "The Return of Dr. Octagon", an album largely produced without Thornton's involvement.
La Bouche (French: "The Mouth" ) are an American dance duo based in Germany formed by producer Frank Farian in Frankfurt in 1994, originally consisting of lead singer Melanie Thornton and rapper Lane McCray, scoring major worldwide hits in the mid-1990s with "Be My Lover", "Sweet Dreams (Ola Ola E)", "Fallin' in Love", "I Love to Love" and "Tonight is the Night" feat.
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Question: Melanie Thornton was killed in the Crossair Flight that took off from what airport?
Answer: Berlin Tegel Airport