News of Thursday 19 October 2017

• Why onions make us cry
• Jacinda Ardern to become New Zealand Prime Minister
• a beautiful scene in nature
• Euronews exclusive: Iran security chief labels Trump a liar
• Russian 'it girl' Ksenia Sobchak to stand in presidential election
• US push to sell Trump’s policy on Iran walloped at UN
• Canada's Quebec province to ban face coverings in public sector