A Ukrainian Boeing-737 with more than 170 people from seven countries on board has crashed in Iran.
Iran’s Red Crescent said there was no chance of finding survivors.
The BBC says Ukraine International Airlines flight PS752 to Ukraine’s capital Kyiv crashed just after taking off from Iran’s Imam Khomeini airport in Tehran.
Ukraine’s embassy in Tehran initially said engine failure caused the crash and there was no link to terrorism.
It later removed that statement.
Among the victims are 82 Iranians, 63 Canadians, 11 Ukrainians including all the crew, 10 Swedes, four Afghans, three Britons and three Germans.
Ukraine’s President Volodymyr Zelensky has since warned against “speculation or unchecked theories regarding the catastrophe” until official reports were ready.
Although the crash occurred shortly after ballistic missile attacks by Iran on several US bases in Iraq, authorities insist the accident was not linked to that situation.