Editing Malaysia Airlines Flight 370 disappearance theories (section)

== Claims of responsibility ==
On 9 March 2014, members of the Chinese news media received an open letter that claimed to be from the leader of the Chinese Martyrs Brigade, a previously unknown group. The letter claimed that the loss of Flight 370 was in retaliation for the Chinese government's response to the [[2014 Kunming attack|knife attacks at Kunming railway station on 1 March 2014]] and part of the wider separatist campaign against Chinese control over [[Xinjiang]] province. The letter also listed unspecified grievances against the Malaysian government. The letter's claim was dismissed as fraudulent based on its lack of detail regarding the fate of Flight 370 and the fact that the name "Chinese Martyrs Brigade" appeared inconsistent with [[East Turkestan independence movement|Uyghur separatist groups]] which describe themselves as "East Turkestan" and "Islamic" rather than "Chinese".<ref name=20140309boxuncmb>{{cite web|url=http://boxun.com/news/gb/intl/2014/03/201403091656.shtml |title="中国烈士旅领导人"发信称对马航客机失事负责 |date=9 March 2014 |access-date=6 May 2014}}</ref><ref name=20140310ibtimescmb>{{cite web|url=http://www.ibtimes.com/obscure-group-northwestern-china-chinese-martyrs-brigade-claims-responsibility-missing-malaysia |title=Obscure Group From Northwestern China, Chinese Martyrs' Brigade, Claims Responsibility For Missing Malaysia Airline Flight MH370; Authorities Skeptical of Claim |website=[[International Business Times]] |date=10 March 2014 |access-date=6 May 2014}}</ref>