Mohammad Eslami insists Tehran will not further approach weapons-grade uranium should efforts to restore the 2015 accord collapse

Armed forces chief says exercise is a response to Israel's 'massive but pointless threats'

Foreign minister says Israel would back a 'good' agreement to keep Iran from obtaining nuclear arms, but tightened sanctions would still be better than reviving the 2015 JCPOA

Enrique Mora, chair of the Vienna talks, says it is 'important to pick up the pace' of the negotiations and 'move forward'

Rob Malley says timeframe for negotiations depends on pace of Iranian violations of accord and push to forward its nuclear program

As Europe and US lose patience, Tehran believes it has scored points in Vienna by ensuring discussion of sanctions relief takes place in next round of talks

Defense minister tells Knesset panel that Tehran's economic woes have left it with little bargaining room in nuclear talks, giving powers a chance to push Islamic Republic around

Major General Rashid, chief of central command, says any Israeli attack will be met with a 'crushing' response

Anti-aircraft fire heard near plant; official say exercise carried out 'with full preparation and coordination with the armed forces'

Biden's national security adviser says 'we do not yet have a pathway back' to 2015 nuclear deal as Vienna talks paused