The US and Iran appear to be making little progress toward an interim deal to end the war Washington and Israel began 100 days ago, as fresh attacks pile pressure on a fragile ceasefire.
The past week saw the worst flare-up in tensions since the truce started around April 8. Negotiations between Washington and Tehran are bogged down over the fate of billions of dollars of frozen Iranian assets and a parallel conflict between Israel and Iran-backed Hezbollah in Lebanon.
