News of Thursday 31 January 2019

• Defying US, European parties to JCPOA launch payment channel with Iran
• UK weather: coldest day in seven years as mercury drops to -14.4C
• Queiroz leaves Tehran with ‘tears in his heart’
• IAEA's Amano says Iran is living up to nuclear deal
• 130 feared dead after two boats sink off Djibouti
• New low-yield US nukes make nuclear conflict more likely: Lavrov
• Trump should have listened to EU, UN, ex-US officials on Iran: Zarif