Top negotiator says Iran will not bow to Trump's threats. US President threatens blockade of Strait of Hormuz.
Iran says talks with the US failed due to “shifting goalposts.” Trump threatens to strike Iranian water facilities. Oil prices jump.
Iranian Parliament Speaker: US will be “nostalgic for $4-$5 gas” if blockade happens. Red Cross unit targetted in drone strike.
With diplomacy stalled, risk of military escalation rises. World powers urge de-escalation to avoid major conflict.