Iran Military said it is human error. Iran's foreign minister Tweeted it as a 'sad day', says it has a human error at the time of crisis done by the US adventurism led to disaster, he apologies and condolences to the families of the victims, country people and affected nations.
Iranian President Hassan Rouhani called the attack an unforgivable mistake, he expressed condolences to families of the victims and he called for a full investigation.
Iran has denied for several days that the missile caused the crash. The US and Canadaâ€™s intelligence believed that Iran shot down the aircraft. The jetliner, Boeing 737 operated by Ukraine International Airlines, the plane en route to the Ukrainian capital of Kyiv.