Tehran accused the United States of "excessive demands", Iranian media said on Saturday, as US media reports raised the prospect that Washington was mulling new strikes and leaders of the Islamic republic considered the latest peace proposal.
Pakistan's powerful army chief arrived in Tehran on Friday to bolster mediation and US President Donald Trump abruptly changed his plans to skip his son's wedding to stay in Washington due to "circumstances pertaining to government", fuelling speculation that the situation had entered a sensitive stage.
