President Donald Trump threatened further military action against Iran during a Monday meeting at Mar-a-Lago with Israeli Prime Minister Benjamin Netanyahu.

As Netanyahu meets Trump, intelligence suggests Iran accelerating chemical weapons work while facing unprecedented domestic unrest and economic crisis.

Images show roads in Tehran filled with protesters shoulder to shoulder Monday, disrupting traffic and clogging roadways.

The currency’s slide has accelerated as oil revenues have shrunk under sanctions from the US, which briefly joined the war to bomb Iran’s nuclear sites. The country’s stubbornly high inflation rate rose to 42.2 per cent in December year on year.

At a joint press conference with Israeli Prime Minister Benjamin Netanyahu on Monday, President Donald Trump issued a warning about Iran, saying the regime "may be behaving badly" and invoking the phrase "where there's smoke,

Gaza peace plan and Iran both reportedly on agenda as President Donald Trump is set to meet Israeli Prime Minister Benjamin Netanyahu at Mar-a-Lago on Monday.

Russia's space agency Roscosmos launched the Iranian satellites alongside two Russian Aist-2T Earth observation satelites and dozens of cubesats aboard a Soyuz 2.1b rocket on a mission that lifted off from the country's Vostochny Cosmodrome in Siberia. Fifty-two satellites were launched in all.

The Iran Human Rights (IHR) group says it has verified at least 1,500 executions up until the start of December.