Red Cross and field assistants of the OSCE, allowed for both sides to collect dead and missing soldiers. On 14 April, the Azerbaijani government reported that one of its soldiers had been killed by Armenian forces on the line of contact. On 15 April, Nagorno-Karabakh reported one of its soldiers had been killed in action with Azerbaijani forces. A soldier of the Nagorno Karabakh military was reported killed in action with Azerbaijani forces on 19 April. Further skirmishes occurred on 21 April, killing another Nagorno-Karabakh soldier. In the course of the clashes, mortar shells fired from the conflict area hit a village in the northwestern Iranian province of East Azerbaijan, but no casualties or damages were reported. Anti-Azerbaijani sentiment in Armenia During and after the First Nagorno-Karabakh War anti-Azerbaijani sentiment grew in Armenia, leading to harassment of Azerbaijanis there. On 16 January 2003 former president of Armenia Robert Kocharian said that Azerbaijanis and Armenians were "ethnically incompatible" and it was impossible for the Armenian population of Karabakh to live within an Azerbaijani state. Speaking on 30 January in Strasbourg, Council of Europe Secretary-General Walter Schwimmer said Kocharian's comment was tantamount to warmongering. According to a 2012 opinion poll, 63% of Armenians perceive Azerbaijan as "the biggest enemy of Armenia". Xenophobia and anti-Armenian propaganda The incitement of hatred against Armenians and promotion of hate speech is one of the main challenges of creating the necessary conditions to enhance the peace process of the Karabakh conflict settlement, as well as to establish an atmosphere of confidence between the people of the conflicting sides: Nagorno Karabakh, Azerbaijan and Armenia. The problem of racism and xenophobia towards the Armenian population of Azerbaijan was addressed and confirmed in a number of documents adopted by different international organizations, including the Concluding observations of the UN Committee on the Elimination of Racial Discrimination (CERD/C/AZE/4 dated 14 April 2005) as well as the European Commission against Racism and Intolerance (ECRI) reports on Azerbaijan dated 28 June 2002, 15 December 2006, 23 March 2011 and 17 March 2016, the Council of Europe Advisory Committee on the Framework Convention for the Protection of National Minorities opinions on Azerbaijan dated 22 May 2003 and 9 November 2007. Claims of atrocities and of usage of prohibited munitions According to Armenian officials, residents of Talysh and Madagiz had been evacuated and provided with shelter in other parts of the region. Armenian and international