EU drawing up list of individuals and entities to be targeted; Ukraine military says 223 Shahed-136s shot down in little over a month

Foreign policy chief says 'most' countries involved in talks with Tehran have signed on to proposal, but US has yet to respond

Resolution drafted by US and European nations a sign of their growing impatience as diplomats warn window to save deal is closing

'But we still can do it with an extra effort,' Joseph Borrell says after speaking with Iranian FM; vows willingness to help resolve 'latest outstanding issues'

Iranian intelligence ministry does not specify nationality of those held; European Union's Enrique Mora arrives to discuss reviving 2015 deal under negotiation in Vienna

Tehran's negotiator Ali Bagheri says UK, France, and Germany 'failed' to resolve removal of sanctions; British foreign secretary warns this is Iran's 'last chance'

Iranian president says his country is 'definitely after a good agreement,' days after resumed talks in Vienna end soon after they began

Iranian website reports 'constructive interactions' are also taking place in Vienna between UN atomic agency, officials from Islamic Republic

Josep Borrell says he hopes diplomats will meet with Iranian officials later this week in Brussels as a prelude to restarting negotiations to revive 2015 deal

Iranian Foreign Ministry says visiting European Union envoy Enrique Mora told officials that his bloc is 'ready to collaborate with Iran and the other parties'